15678858840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{43451}}^1$

素因数の和:43593

約数の個数: 128

約数和(自身を含む): 49055569920

約数和(自身を除く): 33376711080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 97, 120, 124, 155, 186, 194, 248, 291, 310, 372, 388, 465, 485, 582, 620, 744, 776, 930, 970, 1164, 1240, 1455, 1860, 1940, 2328, 2910, 3007, 3720, 3880, 5820, 6014, 9021, 11640, 12028, 15035, 18042, 24056, 30070, 36084, 43451, 45105, 60140, 72168, 86902, 90210, 120280, 130353, 173804, 180420, 217255, 260706, 347608, 360840, 434510, 521412, 651765, 869020, 1042824, 1303530, 1346981, 1738040, 2607060, 2693962, 4040943, 4214747, 5214120, 5387924, 6734905, 8081886, 8429494, 10775848, 12644241, 13469810, 16163772, 16858988, 20204715, 21073735, 25288482, 26939620, 32327544, 33717976, 40409430, 42147470, 50576964, 53879240, 63221205, 80818860, 84294940, 101153928, 126442410, 130657157, 161637720, 168589880, 252884820, 261314314, 391971471, 505769640, 522628628, 653285785, 783942942, 1045257256, 1306571570, 1567885884, 1959857355, 2613143140, 3135771768, 3919714710, 5226286280, 7839429420, 15678858840]

約数ペア:

[(1, 15678858840), (2, 7839429420), (3, 5226286280), (4, 3919714710), (5, 3135771768), (6, 2613143140), (8, 1959857355), (10, 1567885884), (12, 1306571570), (15, 1045257256), (20, 783942942), (24, 653285785), (30, 522628628), (31, 505769640), (40, 391971471), (60, 261314314), (62, 252884820), (93, 168589880), (97, 161637720), (120, 130657157), (124, 126442410), (155, 101153928), (186, 84294940), (194, 80818860), (248, 63221205), (291, 53879240), (310, 50576964), (372, 42147470), (388, 40409430), (465, 33717976), (485, 32327544), (582, 26939620), (620, 25288482), (744, 21073735), (776, 20204715), (930, 16858988), (970, 16163772), (1164, 13469810), (1240, 12644241), (1455, 10775848), (1860, 8429494), (1940, 8081886), (2328, 6734905), (2910, 5387924), (3007, 5214120), (3720, 4214747), (3880, 4040943), (5820, 2693962), (6014, 2607060), (9021, 1738040), (11640, 1346981), (12028, 1303530), (15035, 1042824), (18042, 869020), (24056, 651765), (30070, 521412), (36084, 434510), (43451, 360840), (45105, 347608), (60140, 260706), (72168, 217255), (86902, 180420), (90210, 173804), (120280, 130353)]