138457890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17683}}^1$

素因数の和:17728

約数の個数: 64

約数和(自身を含む): 381974400

約数和(自身を除く): 243516510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 435, 522, 783, 870, 1305, 1566, 2610, 3915, 7830, 17683, 35366, 53049, 88415, 106098, 159147, 176830, 265245, 318294, 477441, 512807, 530490, 795735, 954882, 1025614, 1538421, 1591470, 2387205, 2564035, 3076842, 4615263, 4774410, 5128070, 7692105, 9230526, 13845789, 15384210, 23076315, 27691578, 46152630, 69228945, 138457890]

約数ペア:

[(1, 138457890), (2, 69228945), (3, 46152630), (5, 27691578), (6, 23076315), (9, 15384210), (10, 13845789), (15, 9230526), (18, 7692105), (27, 5128070), (29, 4774410), (30, 4615263), (45, 3076842), (54, 2564035), (58, 2387205), (87, 1591470), (90, 1538421), (135, 1025614), (145, 954882), (174, 795735), (261, 530490), (270, 512807), (290, 477441), (435, 318294), (522, 265245), (783, 176830), (870, 159147), (1305, 106098), (1566, 88415), (2610, 53049), (3915, 35366), (7830, 17683)]