122980520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3331}}^1$

素因数の和:3426

約数の個数: 64

約数和(自身を含む): 302279040

約数和(自身を除く): 179298520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2840, 3331, 3692, 4615, 6662, 7384, 9230, 13324, 16655, 18460, 26648, 33310, 36920, 43303, 66620, 86606, 133240, 173212, 216515, 236501, 346424, 433030, 473002, 866060, 946004, 1182505, 1732120, 1892008, 2365010, 3074513, 4730020, 6149026, 9460040, 12298052, 15372565, 24596104, 30745130, 61490260, 122980520]

約数ペア:

[(1, 122980520), (2, 61490260), (4, 30745130), (5, 24596104), (8, 15372565), (10, 12298052), (13, 9460040), (20, 6149026), (26, 4730020), (40, 3074513), (52, 2365010), (65, 1892008), (71, 1732120), (104, 1182505), (130, 946004), (142, 866060), (260, 473002), (284, 433030), (355, 346424), (520, 236501), (568, 216515), (710, 173212), (923, 133240), (1420, 86606), (1846, 66620), (2840, 43303), (3331, 36920), (3692, 33310), (4615, 26648), (6662, 18460), (7384, 16655), (9230, 13324)]