21358492080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{917461}}^1$

素因数の和:917574

約数の個数: 80

約数和(自身を含む): 66893989344

約数和(自身を除く): 45535497264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 776, 970, 1164, 1455, 1552, 1940, 2328, 2910, 3880, 4656, 5820, 7760, 11640, 23280, 917461, 1834922, 2752383, 3669844, 4587305, 5504766, 7339688, 9174610, 11009532, 13761915, 14679376, 18349220, 22019064, 27523830, 36698440, 44038128, 55047660, 73396880, 88993717, 110095320, 177987434, 220190640, 266981151, 355974868, 444968585, 533962302, 711949736, 889937170, 1067924604, 1334905755, 1423899472, 1779874340, 2135849208, 2669811510, 3559748680, 4271698416, 5339623020, 7119497360, 10679246040, 21358492080]

約数ペア:

[(1, 21358492080), (2, 10679246040), (3, 7119497360), (4, 5339623020), (5, 4271698416), (6, 3559748680), (8, 2669811510), (10, 2135849208), (12, 1779874340), (15, 1423899472), (16, 1334905755), (20, 1067924604), (24, 889937170), (30, 711949736), (40, 533962302), (48, 444968585), (60, 355974868), (80, 266981151), (97, 220190640), (120, 177987434), (194, 110095320), (240, 88993717), (291, 73396880), (388, 55047660), (485, 44038128), (582, 36698440), (776, 27523830), (970, 22019064), (1164, 18349220), (1455, 14679376), (1552, 13761915), (1940, 11009532), (2328, 9174610), (2910, 7339688), (3880, 5504766), (4656, 4587305), (5820, 3669844), (7760, 2752383), (11640, 1834922), (23280, 917461)]