191485760

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:344

約数の個数: 112

約数和(自身を含む): 477926400

約数和(自身を除く): 286440640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 97, 124, 155, 160, 194, 199, 248, 310, 320, 388, 398, 485, 496, 620, 776, 796, 970, 992, 995, 1240, 1552, 1592, 1940, 1984, 1990, 2480, 3007, 3104, 3184, 3880, 3980, 4960, 6014, 6169, 6208, 6368, 7760, 7960, 9920, 12028, 12338, 12736, 15035, 15520, 15920, 19303, 24056, 24676, 30070, 30845, 31040, 31840, 38606, 48112, 49352, 60140, 61690, 63680, 77212, 96224, 96515, 98704, 120280, 123380, 154424, 192448, 193030, 197408, 240560, 246760, 308848, 386060, 394816, 481120, 493520, 598393, 617696, 772120, 962240, 987040, 1196786, 1235392, 1544240, 1974080, 2393572, 2991965, 3088480, 4787144, 5983930, 6176960, 9574288, 11967860, 19148576, 23935720, 38297152, 47871440, 95742880, 191485760]

約数ペア:

[(1, 191485760), (2, 95742880), (4, 47871440), (5, 38297152), (8, 23935720), (10, 19148576), (16, 11967860), (20, 9574288), (31, 6176960), (32, 5983930), (40, 4787144), (62, 3088480), (64, 2991965), (80, 2393572), (97, 1974080), (124, 1544240), (155, 1235392), (160, 1196786), (194, 987040), (199, 962240), (248, 772120), (310, 617696), (320, 598393), (388, 493520), (398, 481120), (485, 394816), (496, 386060), (620, 308848), (776, 246760), (796, 240560), (970, 197408), (992, 193030), (995, 192448), (1240, 154424), (1552, 123380), (1592, 120280), (1940, 98704), (1984, 96515), (1990, 96224), (2480, 77212), (3007, 63680), (3104, 61690), (3184, 60140), (3880, 49352), (3980, 48112), (4960, 38606), (6014, 31840), (6169, 31040), (6208, 30845), (6368, 30070), (7760, 24676), (7960, 24056), (9920, 19303), (12028, 15920), (12338, 15520), (12736, 15035)]