788730320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{8971}}^1$

素因数の和:9148

約数の個数: 80

約数和(自身を含む): 2109353088

約数和(自身を除く): 1320622768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 1099, 1256, 1570, 2198, 2512, 3140, 4396, 5495, 6280, 8792, 8971, 10990, 12560, 17584, 17942, 21980, 35884, 43960, 44855, 62797, 71768, 87920, 89710, 125594, 143536, 179420, 251188, 313985, 358840, 502376, 627970, 717680, 1004752, 1255940, 1408447, 2511880, 2816894, 5023760, 5633788, 7042235, 9859129, 11267576, 14084470, 19718258, 22535152, 28168940, 39436516, 49295645, 56337880, 78873032, 98591290, 112675760, 157746064, 197182580, 394365160, 788730320]

約数ペア:

[(1, 788730320), (2, 394365160), (4, 197182580), (5, 157746064), (7, 112675760), (8, 98591290), (10, 78873032), (14, 56337880), (16, 49295645), (20, 39436516), (28, 28168940), (35, 22535152), (40, 19718258), (56, 14084470), (70, 11267576), (80, 9859129), (112, 7042235), (140, 5633788), (157, 5023760), (280, 2816894), (314, 2511880), (560, 1408447), (628, 1255940), (785, 1004752), (1099, 717680), (1256, 627970), (1570, 502376), (2198, 358840), (2512, 313985), (3140, 251188), (4396, 179420), (5495, 143536), (6280, 125594), (8792, 89710), (8971, 87920), (10990, 71768), (12560, 62797), (17584, 44855), (17942, 43960), (21980, 35884)]