123567780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1231}}^1$

素因数の和:1489

約数の個数: 96

約数和(自身を含む): 397393920

約数和(自身を除く): 273826140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 420, 478, 717, 956, 1195, 1231, 1434, 1673, 2390, 2462, 2868, 3346, 3585, 3693, 4780, 4924, 5019, 6155, 6692, 7170, 7386, 8365, 8617, 10038, 12310, 14340, 14772, 16730, 17234, 18465, 20076, 24620, 25095, 25851, 33460, 34468, 36930, 43085, 50190, 51702, 73860, 86170, 100380, 103404, 129255, 172340, 258510, 294209, 517020, 588418, 882627, 1176836, 1471045, 1765254, 2059463, 2942090, 3530508, 4118926, 4413135, 5884180, 6178389, 8237852, 8826270, 10297315, 12356778, 17652540, 20594630, 24713556, 30891945, 41189260, 61783890, 123567780]

約数ペア:

[(1, 123567780), (2, 61783890), (3, 41189260), (4, 30891945), (5, 24713556), (6, 20594630), (7, 17652540), (10, 12356778), (12, 10297315), (14, 8826270), (15, 8237852), (20, 6178389), (21, 5884180), (28, 4413135), (30, 4118926), (35, 3530508), (42, 2942090), (60, 2059463), (70, 1765254), (84, 1471045), (105, 1176836), (140, 882627), (210, 588418), (239, 517020), (420, 294209), (478, 258510), (717, 172340), (956, 129255), (1195, 103404), (1231, 100380), (1434, 86170), (1673, 73860), (2390, 51702), (2462, 50190), (2868, 43085), (3346, 36930), (3585, 34468), (3693, 33460), (4780, 25851), (4924, 25095), (5019, 24620), (6155, 20076), (6692, 18465), (7170, 17234), (7386, 16730), (8365, 14772), (8617, 14340), (10038, 12310)]