163569640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 417715200

約数和(自身を除く): 254145560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 73, 104, 124, 130, 139, 146, 155, 248, 260, 278, 292, 310, 365, 403, 520, 556, 584, 620, 695, 730, 806, 949, 1112, 1240, 1390, 1460, 1612, 1807, 1898, 2015, 2263, 2780, 2920, 3224, 3614, 3796, 4030, 4309, 4526, 4745, 5560, 7228, 7592, 8060, 8618, 9035, 9052, 9490, 10147, 11315, 14456, 16120, 17236, 18070, 18104, 18980, 20294, 21545, 22630, 29419, 34472, 36140, 37960, 40588, 43090, 45260, 50735, 56017, 58838, 72280, 81176, 86180, 90520, 101470, 112034, 117676, 131911, 147095, 172360, 202940, 224068, 235352, 263822, 280085, 294190, 314557, 405880, 448136, 527644, 560170, 588380, 629114, 659555, 1055288, 1120340, 1176760, 1258228, 1319110, 1572785, 2240680, 2516456, 2638220, 3145570, 4089241, 5276440, 6291140, 8178482, 12582280, 16356964, 20446205, 32713928, 40892410, 81784820, 163569640]

約数ペア:

[(1, 163569640), (2, 81784820), (4, 40892410), (5, 32713928), (8, 20446205), (10, 16356964), (13, 12582280), (20, 8178482), (26, 6291140), (31, 5276440), (40, 4089241), (52, 3145570), (62, 2638220), (65, 2516456), (73, 2240680), (104, 1572785), (124, 1319110), (130, 1258228), (139, 1176760), (146, 1120340), (155, 1055288), (248, 659555), (260, 629114), (278, 588380), (292, 560170), (310, 527644), (365, 448136), (403, 405880), (520, 314557), (556, 294190), (584, 280085), (620, 263822), (695, 235352), (730, 224068), (806, 202940), (949, 172360), (1112, 147095), (1240, 131911), (1390, 117676), (1460, 112034), (1612, 101470), (1807, 90520), (1898, 86180), (2015, 81176), (2263, 72280), (2780, 58838), (2920, 56017), (3224, 50735), (3614, 45260), (3796, 43090), (4030, 40588), (4309, 37960), (4526, 36140), (4745, 34472), (5560, 29419), (7228, 22630), (7592, 21545), (8060, 20294), (8618, 18980), (9035, 18104), (9052, 18070), (9490, 17236), (10147, 16120), (11315, 14456)]