68721480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 256

約数和(自身を含む): 256608000

約数和(自身を除く): 187886520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 27, 30, 34, 36, 38, 40, 45, 51, 54, 57, 60, 68, 72, 76, 85, 90, 95, 102, 108, 114, 120, 135, 136, 152, 153, 170, 171, 180, 190, 197, 204, 216, 228, 255, 270, 285, 306, 323, 340, 342, 360, 380, 394, 408, 456, 459, 510, 513, 540, 570, 591, 612, 646, 680, 684, 760, 765, 788, 855, 918, 969, 985, 1020, 1026, 1080, 1140, 1182, 1224, 1292, 1368, 1530, 1576, 1615, 1710, 1773, 1836, 1938, 1970, 2040, 2052, 2280, 2295, 2364, 2565, 2584, 2907, 2955, 3060, 3230, 3349, 3420, 3546, 3672, 3743, 3876, 3940, 4104, 4590, 4728, 4845, 5130, 5319, 5814, 5910, 6120, 6460, 6698, 6840, 7092, 7486, 7752, 7880, 8721, 8865, 9180, 9690, 10047, 10260, 10638, 11229, 11628, 11820, 12920, 13396, 14184, 14535, 14972, 16745, 17442, 17730, 18360, 18715, 19380, 20094, 20520, 21276, 22458, 23256, 23640, 26595, 26792, 29070, 29944, 30141, 33490, 33687, 34884, 35460, 37430, 38760, 40188, 42552, 43605, 44916, 50235, 53190, 56145, 58140, 60282, 63631, 66980, 67374, 69768, 70920, 74860, 80376, 87210, 89832, 90423, 100470, 101061, 106380, 112290, 116280, 120564, 127262, 133960, 134748, 149720, 150705, 168435, 174420, 180846, 190893, 200940, 202122, 212760, 224580, 241128, 254524, 269496, 301410, 318155, 336870, 348840, 361692, 381786, 401880, 404244, 449160, 452115, 505305, 509048, 572679, 602820, 636310, 673740, 723384, 763572, 808488, 904230, 954465, 1010610, 1145358, 1205640, 1272620, 1347480, 1527144, 1718037, 1808460, 1908930, 2021220, 2290716, 2545240, 2863395, 3436074, 3616920, 3817860, 4042440, 4581432, 5726790, 6872148, 7635720, 8590185, 11453580, 13744296, 17180370, 22907160, 34360740, 68721480]

約数ペア:

[(1, 68721480), (2, 34360740), (3, 22907160), (4, 17180370), (5, 13744296), (6, 11453580), (8, 8590185), (9, 7635720), (10, 6872148), (12, 5726790), (15, 4581432), (17, 4042440), (18, 3817860), (19, 3616920), (20, 3436074), (24, 2863395), (27, 2545240), (30, 2290716), (34, 2021220), (36, 1908930), (38, 1808460), (40, 1718037), (45, 1527144), (51, 1347480), (54, 1272620), (57, 1205640), (60, 1145358), (68, 1010610), (72, 954465), (76, 904230), (85, 808488), (90, 763572), (95, 723384), (102, 673740), (108, 636310), (114, 602820), (120, 572679), (135, 509048), (136, 505305), (152, 452115), (153, 449160), (170, 404244), (171, 401880), (180, 381786), (190, 361692), (197, 348840), (204, 336870), (216, 318155), (228, 301410), (255, 269496), (270, 254524), (285, 241128), (306, 224580), (323, 212760), (340, 202122), (342, 200940), (360, 190893), (380, 180846), (394, 174420), (408, 168435), (456, 150705), (459, 149720), (510, 134748), (513, 133960), (540, 127262), (570, 120564), (591, 116280), (612, 112290), (646, 106380), (680, 101061), (684, 100470), (760, 90423), (765, 89832), (788, 87210), (855, 80376), (918, 74860), (969, 70920), (985, 69768), (1020, 67374), (1026, 66980), (1080, 63631), (1140, 60282), (1182, 58140), (1224, 56145), (1292, 53190), (1368, 50235), (1530, 44916), (1576, 43605), (1615, 42552), (1710, 40188), (1773, 38760), (1836, 37430), (1938, 35460), (1970, 34884), (2040, 33687), (2052, 33490), (2280, 30141), (2295, 29944), (2364, 29070), (2565, 26792), (2584, 26595), (2907, 23640), (2955, 23256), (3060, 22458), (3230, 21276), (3349, 20520), (3420, 20094), (3546, 19380), (3672, 18715), (3743, 18360), (3876, 17730), (3940, 17442), (4104, 16745), (4590, 14972), (4728, 14535), (4845, 14184), (5130, 13396), (5319, 12920), (5814, 11820), (5910, 11628), (6120, 11229), (6460, 10638), (6698, 10260), (6840, 10047), (7092, 9690), (7486, 9180), (7752, 8865), (7880, 8721)]