331335160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1223}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 805049280

約数和(自身を除く): 473714120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 521, 1042, 1223, 2084, 2446, 2605, 4168, 4892, 5210, 6115, 6773, 9784, 10420, 12230, 13546, 15899, 20840, 24460, 27092, 31798, 33865, 48920, 54184, 63596, 67730, 79495, 127192, 135460, 158990, 270920, 317980, 635960, 637183, 1274366, 2548732, 3185915, 5097464, 6371830, 8283379, 12743660, 16566758, 25487320, 33133516, 41416895, 66267032, 82833790, 165667580, 331335160]

約数ペア:

[(1, 331335160), (2, 165667580), (4, 82833790), (5, 66267032), (8, 41416895), (10, 33133516), (13, 25487320), (20, 16566758), (26, 12743660), (40, 8283379), (52, 6371830), (65, 5097464), (104, 3185915), (130, 2548732), (260, 1274366), (520, 637183), (521, 635960), (1042, 317980), (1223, 270920), (2084, 158990), (2446, 135460), (2605, 127192), (4168, 79495), (4892, 67730), (5210, 63596), (6115, 54184), (6773, 48920), (9784, 33865), (10420, 31798), (12230, 27092), (13546, 24460), (15899, 20840)]