137912840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15601}}^1$

素因数の和:15642

約数の個数: 64

約数和(自身を含む): 353853360

約数和(自身を除く): 215940520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 15601, 31202, 62404, 78005, 124808, 156010, 202813, 265217, 312020, 405626, 530434, 624040, 811252, 1014065, 1060868, 1326085, 1622504, 2028130, 2121736, 2652170, 3447821, 4056260, 5304340, 6895642, 8112520, 10608680, 13791284, 17239105, 27582568, 34478210, 68956420, 137912840]

約数ペア:

[(1, 137912840), (2, 68956420), (4, 34478210), (5, 27582568), (8, 17239105), (10, 13791284), (13, 10608680), (17, 8112520), (20, 6895642), (26, 5304340), (34, 4056260), (40, 3447821), (52, 2652170), (65, 2121736), (68, 2028130), (85, 1622504), (104, 1326085), (130, 1060868), (136, 1014065), (170, 811252), (221, 624040), (260, 530434), (340, 405626), (442, 312020), (520, 265217), (680, 202813), (884, 156010), (1105, 124808), (1768, 78005), (2210, 62404), (4420, 31202), (8840, 15601)]