70951720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 191600640

約数和(自身を除く): 120648920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 71, 83, 86, 140, 142, 166, 172, 215, 280, 284, 301, 332, 344, 355, 415, 430, 497, 568, 581, 602, 664, 710, 830, 860, 994, 1162, 1204, 1420, 1505, 1660, 1720, 1988, 2324, 2408, 2485, 2840, 2905, 3010, 3053, 3320, 3569, 3976, 4648, 4970, 5810, 5893, 6020, 6106, 7138, 9940, 11620, 11786, 12040, 12212, 14276, 15265, 17845, 19880, 21371, 23240, 23572, 24424, 24983, 28552, 29465, 30530, 35690, 41251, 42742, 47144, 49966, 58930, 61060, 71380, 82502, 85484, 99932, 106855, 117860, 122120, 124915, 142760, 165004, 170968, 199864, 206255, 213710, 235720, 249830, 253399, 330008, 412510, 427420, 499660, 506798, 825020, 854840, 999320, 1013596, 1266995, 1650040, 1773793, 2027192, 2533990, 3547586, 5067980, 7095172, 8868965, 10135960, 14190344, 17737930, 35475860, 70951720]

約数ペア:

[(1, 70951720), (2, 35475860), (4, 17737930), (5, 14190344), (7, 10135960), (8, 8868965), (10, 7095172), (14, 5067980), (20, 3547586), (28, 2533990), (35, 2027192), (40, 1773793), (43, 1650040), (56, 1266995), (70, 1013596), (71, 999320), (83, 854840), (86, 825020), (140, 506798), (142, 499660), (166, 427420), (172, 412510), (215, 330008), (280, 253399), (284, 249830), (301, 235720), (332, 213710), (344, 206255), (355, 199864), (415, 170968), (430, 165004), (497, 142760), (568, 124915), (581, 122120), (602, 117860), (664, 106855), (710, 99932), (830, 85484), (860, 82502), (994, 71380), (1162, 61060), (1204, 58930), (1420, 49966), (1505, 47144), (1660, 42742), (1720, 41251), (1988, 35690), (2324, 30530), (2408, 29465), (2485, 28552), (2840, 24983), (2905, 24424), (3010, 23572), (3053, 23240), (3320, 21371), (3569, 19880), (3976, 17845), (4648, 15265), (4970, 14276), (5810, 12212), (5893, 12040), (6020, 11786), (6106, 11620), (7138, 9940)]