72684520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1201}}^1$

素因数の和:1318

約数の個数: 64

約数和(自身を含む): 175251600

約数和(自身を除く): 102567080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 680, 712, 890, 1201, 1513, 1780, 2402, 3026, 3560, 4804, 6005, 6052, 7565, 9608, 12010, 12104, 15130, 20417, 24020, 30260, 40834, 48040, 60520, 81668, 102085, 106889, 163336, 204170, 213778, 408340, 427556, 534445, 816680, 855112, 1068890, 1817113, 2137780, 3634226, 4275560, 7268452, 9085565, 14536904, 18171130, 36342260, 72684520]

約数ペア:

[(1, 72684520), (2, 36342260), (4, 18171130), (5, 14536904), (8, 9085565), (10, 7268452), (17, 4275560), (20, 3634226), (34, 2137780), (40, 1817113), (68, 1068890), (85, 855112), (89, 816680), (136, 534445), (170, 427556), (178, 408340), (340, 213778), (356, 204170), (445, 163336), (680, 106889), (712, 102085), (890, 81668), (1201, 60520), (1513, 48040), (1780, 40834), (2402, 30260), (3026, 24020), (3560, 20417), (4804, 15130), (6005, 12104), (6052, 12010), (7565, 9608)]