20499681240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:827

約数の個数: 384

約数和(自身を含む): 71988134400

約数和(自身を除く): 51488453160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 31, 36, 40, 45, 58, 60, 62, 72, 87, 90, 93, 97, 116, 120, 124, 145, 155, 174, 180, 186, 194, 232, 248, 261, 279, 290, 291, 310, 348, 360, 372, 388, 435, 465, 485, 522, 558, 580, 582, 620, 653, 696, 744, 776, 870, 873, 899, 930, 970, 1044, 1116, 1160, 1164, 1240, 1305, 1306, 1395, 1455, 1740, 1746, 1798, 1860, 1940, 1959, 2088, 2232, 2328, 2610, 2612, 2697, 2790, 2813, 2910, 3007, 3265, 3480, 3492, 3596, 3720, 3880, 3918, 4365, 4495, 5220, 5224, 5394, 5580, 5626, 5820, 5877, 6014, 6530, 6984, 7192, 7836, 8091, 8439, 8730, 8990, 9021, 9795, 10440, 10788, 11160, 11252, 11640, 11754, 12028, 13060, 13485, 14065, 15035, 15672, 16182, 16878, 17460, 17980, 18042, 18937, 19590, 20243, 21576, 22504, 23508, 24056, 25317, 26120, 26970, 27063, 28130, 29385, 30070, 32364, 33756, 34920, 35960, 36084, 37874, 39180, 40455, 40486, 42195, 45105, 47016, 50634, 53940, 54126, 56260, 56811, 58770, 60140, 60729, 63341, 64728, 67512, 72168, 75748, 78360, 80910, 80972, 84390, 87203, 90210, 94685, 101215, 101268, 107880, 108252, 112520, 113622, 117540, 120280, 121458, 126585, 126682, 135315, 151496, 161820, 161944, 168780, 170433, 174406, 180420, 182187, 189370, 190023, 202430, 202536, 216504, 227244, 235080, 242916, 253170, 253364, 261609, 270630, 284055, 303645, 316705, 323640, 337560, 340866, 348812, 360840, 364374, 378740, 380046, 404860, 436015, 454488, 485832, 506340, 506728, 523218, 541260, 568110, 570069, 587047, 607290, 633410, 681732, 697624, 728748, 757480, 760092, 784827, 809720, 852165, 872030, 910935, 950115, 1012680, 1046436, 1082520, 1136220, 1140138, 1174094, 1214580, 1266820, 1308045, 1363464, 1457496, 1520184, 1569654, 1704330, 1744060, 1761141, 1821870, 1836889, 1900230, 1963571, 2092872, 2272440, 2280276, 2348188, 2429160, 2533640, 2616090, 2850345, 2935235, 3139308, 3408660, 3488120, 3522282, 3643740, 3673778, 3800460, 3924135, 3927142, 4560552, 4696376, 5232180, 5283423, 5510667, 5700690, 5870470, 5890713, 6278616, 6817320, 7044564, 7287480, 7347556, 7600920, 7848270, 7854284, 8805705, 9184445, 9817855, 10464360, 10566846, 11021334, 11401380, 11740940, 11781426, 14089128, 14695112, 15696540, 15708568, 16532001, 17611410, 17672139, 18368890, 19635710, 21133692, 22042668, 22802760, 23481880, 23562852, 26417115, 27553335, 29453565, 31393080, 33064002, 35222820, 35344278, 36737780, 39271420, 42267384, 44085336, 47125704, 52834230, 55106670, 56943559, 58907130, 66128004, 70445640, 70688556, 73475560, 78542840, 82660005, 88360695, 105668460, 110213340, 113887118, 117814260, 132256008, 141377112, 165320010, 170830677, 176721390, 211336920, 220426680, 227774236, 235628520, 284717795, 330640020, 341661354, 353442780, 455548472, 512492031, 569435590, 661280040, 683322708, 706885560, 854153385, 1024984062, 1138871180, 1366645416, 1708306770, 2049968124, 2277742360, 2562460155, 3416613540, 4099936248, 5124920310, 6833227080, 10249840620, 20499681240]

約数ペア:

[(1, 20499681240), (2, 10249840620), (3, 6833227080), (4, 5124920310), (5, 4099936248), (6, 3416613540), (8, 2562460155), (9, 2277742360), (10, 2049968124), (12, 1708306770), (15, 1366645416), (18, 1138871180), (20, 1024984062), (24, 854153385), (29, 706885560), (30, 683322708), (31, 661280040), (36, 569435590), (40, 512492031), (45, 455548472), (58, 353442780), (60, 341661354), (62, 330640020), (72, 284717795), (87, 235628520), (90, 227774236), (93, 220426680), (97, 211336920), (116, 176721390), (120, 170830677), (124, 165320010), (145, 141377112), (155, 132256008), (174, 117814260), (180, 113887118), (186, 110213340), (194, 105668460), (232, 88360695), (248, 82660005), (261, 78542840), (279, 73475560), (290, 70688556), (291, 70445640), (310, 66128004), (348, 58907130), (360, 56943559), (372, 55106670), (388, 52834230), (435, 47125704), (465, 44085336), (485, 42267384), (522, 39271420), (558, 36737780), (580, 35344278), (582, 35222820), (620, 33064002), (653, 31393080), (696, 29453565), (744, 27553335), (776, 26417115), (870, 23562852), (873, 23481880), (899, 22802760), (930, 22042668), (970, 21133692), (1044, 19635710), (1116, 18368890), (1160, 17672139), (1164, 17611410), (1240, 16532001), (1305, 15708568), (1306, 15696540), (1395, 14695112), (1455, 14089128), (1740, 11781426), (1746, 11740940), (1798, 11401380), (1860, 11021334), (1940, 10566846), (1959, 10464360), (2088, 9817855), (2232, 9184445), (2328, 8805705), (2610, 7854284), (2612, 7848270), (2697, 7600920), (2790, 7347556), (2813, 7287480), (2910, 7044564), (3007, 6817320), (3265, 6278616), (3480, 5890713), (3492, 5870470), (3596, 5700690), (3720, 5510667), (3880, 5283423), (3918, 5232180), (4365, 4696376), (4495, 4560552), (5220, 3927142), (5224, 3924135), (5394, 3800460), (5580, 3673778), (5626, 3643740), (5820, 3522282), (5877, 3488120), (6014, 3408660), (6530, 3139308), (6984, 2935235), (7192, 2850345), (7836, 2616090), (8091, 2533640), (8439, 2429160), (8730, 2348188), (8990, 2280276), (9021, 2272440), (9795, 2092872), (10440, 1963571), (10788, 1900230), (11160, 1836889), (11252, 1821870), (11640, 1761141), (11754, 1744060), (12028, 1704330), (13060, 1569654), (13485, 1520184), (14065, 1457496), (15035, 1363464), (15672, 1308045), (16182, 1266820), (16878, 1214580), (17460, 1174094), (17980, 1140138), (18042, 1136220), (18937, 1082520), (19590, 1046436), (20243, 1012680), (21576, 950115), (22504, 910935), (23508, 872030), (24056, 852165), (25317, 809720), (26120, 784827), (26970, 760092), (27063, 757480), (28130, 728748), (29385, 697624), (30070, 681732), (32364, 633410), (33756, 607290), (34920, 587047), (35960, 570069), (36084, 568110), (37874, 541260), (39180, 523218), (40455, 506728), (40486, 506340), (42195, 485832), (45105, 454488), (47016, 436015), (50634, 404860), (53940, 380046), (54126, 378740), (56260, 364374), (56811, 360840), (58770, 348812), (60140, 340866), (60729, 337560), (63341, 323640), (64728, 316705), (67512, 303645), (72168, 284055), (75748, 270630), (78360, 261609), (80910, 253364), (80972, 253170), (84390, 242916), (87203, 235080), (90210, 227244), (94685, 216504), (101215, 202536), (101268, 202430), (107880, 190023), (108252, 189370), (112520, 182187), (113622, 180420), (117540, 174406), (120280, 170433), (121458, 168780), (126585, 161944), (126682, 161820), (135315, 151496)]