71136320

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 112

約数和(自身を含む): 179076096

約数和(自身を除く): 107939776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 101, 124, 142, 155, 160, 202, 248, 284, 310, 320, 355, 404, 496, 505, 568, 620, 710, 808, 992, 1010, 1136, 1240, 1420, 1616, 1984, 2020, 2201, 2272, 2480, 2840, 3131, 3232, 4040, 4402, 4544, 4960, 5680, 6262, 6464, 7171, 8080, 8804, 9920, 11005, 11360, 12524, 14342, 15655, 16160, 17608, 22010, 22720, 25048, 28684, 31310, 32320, 35216, 35855, 44020, 50096, 57368, 62620, 70432, 71710, 88040, 100192, 114736, 125240, 140864, 143420, 176080, 200384, 222301, 229472, 250480, 286840, 352160, 444602, 458944, 500960, 573680, 704320, 889204, 1001920, 1111505, 1147360, 1778408, 2223010, 2294720, 3556816, 4446020, 7113632, 8892040, 14227264, 17784080, 35568160, 71136320]

約数ペア:

[(1, 71136320), (2, 35568160), (4, 17784080), (5, 14227264), (8, 8892040), (10, 7113632), (16, 4446020), (20, 3556816), (31, 2294720), (32, 2223010), (40, 1778408), (62, 1147360), (64, 1111505), (71, 1001920), (80, 889204), (101, 704320), (124, 573680), (142, 500960), (155, 458944), (160, 444602), (202, 352160), (248, 286840), (284, 250480), (310, 229472), (320, 222301), (355, 200384), (404, 176080), (496, 143420), (505, 140864), (568, 125240), (620, 114736), (710, 100192), (808, 88040), (992, 71710), (1010, 70432), (1136, 62620), (1240, 57368), (1420, 50096), (1616, 44020), (1984, 35855), (2020, 35216), (2201, 32320), (2272, 31310), (2480, 28684), (2840, 25048), (3131, 22720), (3232, 22010), (4040, 17608), (4402, 16160), (4544, 15655), (4960, 14342), (5680, 12524), (6262, 11360), (6464, 11005), (7171, 9920), (8080, 8804)]