123578280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 384

約数和(自身を含む): 505440000

約数和(自身を除く): 381861720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 29, 30, 35, 36, 38, 40, 42, 45, 56, 57, 58, 60, 63, 70, 72, 76, 84, 87, 89, 90, 95, 105, 114, 116, 120, 126, 133, 140, 145, 152, 168, 171, 174, 178, 180, 190, 203, 210, 228, 232, 252, 261, 266, 267, 280, 285, 290, 315, 342, 348, 356, 360, 380, 399, 406, 420, 435, 445, 456, 504, 522, 532, 534, 551, 570, 580, 609, 623, 630, 665, 684, 696, 712, 760, 798, 801, 812, 840, 855, 870, 890, 1015, 1044, 1064, 1068, 1102, 1140, 1160, 1197, 1218, 1246, 1260, 1305, 1330, 1335, 1368, 1596, 1602, 1624, 1653, 1691, 1710, 1740, 1780, 1827, 1869, 1995, 2030, 2088, 2136, 2204, 2280, 2394, 2436, 2492, 2520, 2581, 2610, 2660, 2670, 2755, 3045, 3115, 3192, 3204, 3306, 3382, 3420, 3480, 3560, 3654, 3738, 3857, 3990, 4005, 4060, 4408, 4788, 4872, 4959, 4984, 5073, 5162, 5220, 5320, 5340, 5510, 5607, 5985, 6090, 6230, 6408, 6612, 6764, 6840, 7308, 7476, 7714, 7743, 7980, 8010, 8120, 8265, 8455, 9135, 9345, 9576, 9918, 10146, 10324, 10440, 10680, 11020, 11214, 11571, 11837, 11970, 12180, 12460, 12905, 13224, 13528, 14616, 14952, 15219, 15428, 15486, 15960, 16020, 16530, 16910, 18067, 18270, 18690, 19285, 19836, 20292, 20648, 22040, 22428, 23142, 23229, 23674, 23940, 24360, 24795, 24920, 25365, 25810, 28035, 30438, 30856, 30972, 32040, 33060, 33820, 34713, 35511, 36134, 36540, 37380, 38570, 38715, 39672, 40584, 44856, 46284, 46458, 47348, 47880, 49039, 49590, 50730, 51620, 54201, 56070, 57855, 59185, 60876, 61944, 66120, 67640, 69426, 71022, 72268, 73080, 74760, 76095, 77140, 77430, 90335, 92568, 92916, 94696, 98078, 99180, 101460, 103240, 106533, 108402, 112140, 115710, 116145, 118370, 121752, 138852, 142044, 144536, 147117, 152190, 154280, 154860, 162603, 173565, 177555, 180670, 185832, 196156, 198360, 202920, 213066, 216804, 224280, 231420, 232290, 236740, 245195, 271005, 277704, 284088, 294234, 304380, 309720, 325206, 343273, 347130, 355110, 361340, 392312, 426132, 433608, 441351, 462840, 464580, 473480, 490390, 532665, 542010, 588468, 608760, 650412, 686546, 694260, 710220, 722680, 735585, 813015, 852264, 882702, 929160, 980780, 1029819, 1065330, 1084020, 1176936, 1300824, 1373092, 1388520, 1420440, 1471170, 1626030, 1716365, 1765404, 1961560, 2059638, 2130660, 2168040, 2206755, 2746184, 2942340, 3089457, 3252060, 3432730, 3530808, 4119276, 4261320, 4413510, 5149095, 5884680, 6178914, 6504120, 6865460, 8238552, 8827020, 10298190, 12357828, 13730920, 15447285, 17654040, 20596380, 24715656, 30894570, 41192760, 61789140, 123578280]

約数ペア:

[(1, 123578280), (2, 61789140), (3, 41192760), (4, 30894570), (5, 24715656), (6, 20596380), (7, 17654040), (8, 15447285), (9, 13730920), (10, 12357828), (12, 10298190), (14, 8827020), (15, 8238552), (18, 6865460), (19, 6504120), (20, 6178914), (21, 5884680), (24, 5149095), (28, 4413510), (29, 4261320), (30, 4119276), (35, 3530808), (36, 3432730), (38, 3252060), (40, 3089457), (42, 2942340), (45, 2746184), (56, 2206755), (57, 2168040), (58, 2130660), (60, 2059638), (63, 1961560), (70, 1765404), (72, 1716365), (76, 1626030), (84, 1471170), (87, 1420440), (89, 1388520), (90, 1373092), (95, 1300824), (105, 1176936), (114, 1084020), (116, 1065330), (120, 1029819), (126, 980780), (133, 929160), (140, 882702), (145, 852264), (152, 813015), (168, 735585), (171, 722680), (174, 710220), (178, 694260), (180, 686546), (190, 650412), (203, 608760), (210, 588468), (228, 542010), (232, 532665), (252, 490390), (261, 473480), (266, 464580), (267, 462840), (280, 441351), (285, 433608), (290, 426132), (315, 392312), (342, 361340), (348, 355110), (356, 347130), (360, 343273), (380, 325206), (399, 309720), (406, 304380), (420, 294234), (435, 284088), (445, 277704), (456, 271005), (504, 245195), (522, 236740), (532, 232290), (534, 231420), (551, 224280), (570, 216804), (580, 213066), (609, 202920), (623, 198360), (630, 196156), (665, 185832), (684, 180670), (696, 177555), (712, 173565), (760, 162603), (798, 154860), (801, 154280), (812, 152190), (840, 147117), (855, 144536), (870, 142044), (890, 138852), (1015, 121752), (1044, 118370), (1064, 116145), (1068, 115710), (1102, 112140), (1140, 108402), (1160, 106533), (1197, 103240), (1218, 101460), (1246, 99180), (1260, 98078), (1305, 94696), (1330, 92916), (1335, 92568), (1368, 90335), (1596, 77430), (1602, 77140), (1624, 76095), (1653, 74760), (1691, 73080), (1710, 72268), (1740, 71022), (1780, 69426), (1827, 67640), (1869, 66120), (1995, 61944), (2030, 60876), (2088, 59185), (2136, 57855), (2204, 56070), (2280, 54201), (2394, 51620), (2436, 50730), (2492, 49590), (2520, 49039), (2581, 47880), (2610, 47348), (2660, 46458), (2670, 46284), (2755, 44856), (3045, 40584), (3115, 39672), (3192, 38715), (3204, 38570), (3306, 37380), (3382, 36540), (3420, 36134), (3480, 35511), (3560, 34713), (3654, 33820), (3738, 33060), (3857, 32040), (3990, 30972), (4005, 30856), (4060, 30438), (4408, 28035), (4788, 25810), (4872, 25365), (4959, 24920), (4984, 24795), (5073, 24360), (5162, 23940), (5220, 23674), (5320, 23229), (5340, 23142), (5510, 22428), (5607, 22040), (5985, 20648), (6090, 20292), (6230, 19836), (6408, 19285), (6612, 18690), (6764, 18270), (6840, 18067), (7308, 16910), (7476, 16530), (7714, 16020), (7743, 15960), (7980, 15486), (8010, 15428), (8120, 15219), (8265, 14952), (8455, 14616), (9135, 13528), (9345, 13224), (9576, 12905), (9918, 12460), (10146, 12180), (10324, 11970), (10440, 11837), (10680, 11571), (11020, 11214)]