278890880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14057}}^1$

素因数の和:14107

約数の個数: 64

約数和(自身を含む): 688279680

約数和(自身を除く): 409388800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 14057, 19840, 28114, 56228, 70285, 112456, 140570, 224912, 281140, 435767, 449824, 562280, 871534, 899648, 1124560, 1743068, 1799296, 2178835, 2249120, 3486136, 4357670, 4498240, 6972272, 8715340, 8996480, 13944544, 17430680, 27889088, 34861360, 55778176, 69722720, 139445440, 278890880]

約数ペア:

[(1, 278890880), (2, 139445440), (4, 69722720), (5, 55778176), (8, 34861360), (10, 27889088), (16, 17430680), (20, 13944544), (31, 8996480), (32, 8715340), (40, 6972272), (62, 4498240), (64, 4357670), (80, 3486136), (124, 2249120), (128, 2178835), (155, 1799296), (160, 1743068), (248, 1124560), (310, 899648), (320, 871534), (496, 562280), (620, 449824), (640, 435767), (992, 281140), (1240, 224912), (1984, 140570), (2480, 112456), (3968, 70285), (4960, 56228), (9920, 28114), (14057, 19840)]