21525822080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{9629}}^1$

素因数の和:10154

約数の個数: 128

約数和(自身を含む): 58935600000

約数和(自身を除く): 37409777920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 499, 560, 640, 896, 998, 1120, 1996, 2240, 2495, 3493, 3992, 4480, 4990, 6986, 7984, 9629, 9980, 13972, 15968, 17465, 19258, 19960, 27944, 31936, 34930, 38516, 39920, 48145, 55888, 63872, 67403, 69860, 77032, 79840, 96290, 111776, 134806, 139720, 154064, 159680, 192580, 223552, 269612, 279440, 308128, 319360, 337015, 385160, 447104, 539224, 558880, 616256, 674030, 770320, 1078448, 1117760, 1232512, 1348060, 1540640, 2156896, 2235520, 2696120, 3081280, 4313792, 4804871, 5392240, 6162560, 8627584, 9609742, 10784480, 19219484, 21568960, 24024355, 33634097, 38438968, 43137920, 48048710, 67268194, 76877936, 96097420, 134536388, 153755872, 168170485, 192194840, 269072776, 307511744, 336340970, 384389680, 538145552, 615023488, 672681940, 768779360, 1076291104, 1345363880, 1537558720, 2152582208, 2690727760, 3075117440, 4305164416, 5381455520, 10762911040, 21525822080]

約数ペア:

[(1, 21525822080), (2, 10762911040), (4, 5381455520), (5, 4305164416), (7, 3075117440), (8, 2690727760), (10, 2152582208), (14, 1537558720), (16, 1345363880), (20, 1076291104), (28, 768779360), (32, 672681940), (35, 615023488), (40, 538145552), (56, 384389680), (64, 336340970), (70, 307511744), (80, 269072776), (112, 192194840), (128, 168170485), (140, 153755872), (160, 134536388), (224, 96097420), (280, 76877936), (320, 67268194), (448, 48048710), (499, 43137920), (560, 38438968), (640, 33634097), (896, 24024355), (998, 21568960), (1120, 19219484), (1996, 10784480), (2240, 9609742), (2495, 8627584), (3493, 6162560), (3992, 5392240), (4480, 4804871), (4990, 4313792), (6986, 3081280), (7984, 2696120), (9629, 2235520), (9980, 2156896), (13972, 1540640), (15968, 1348060), (17465, 1232512), (19258, 1117760), (19960, 1078448), (27944, 770320), (31936, 674030), (34930, 616256), (38516, 558880), (39920, 539224), (48145, 447104), (55888, 385160), (63872, 337015), (67403, 319360), (69860, 308128), (77032, 279440), (79840, 269612), (96290, 223552), (111776, 192580), (134806, 159680), (139720, 154064)]