123189560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{983}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 300041280

約数和(自身を除く): 176851720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 241, 260, 482, 520, 964, 983, 1205, 1928, 1966, 2410, 3133, 3932, 4820, 4915, 6266, 7864, 9640, 9830, 12532, 12779, 15665, 19660, 25064, 25558, 31330, 39320, 51116, 62660, 63895, 102232, 125320, 127790, 236903, 255580, 473806, 511160, 947612, 1184515, 1895224, 2369030, 3079739, 4738060, 6159478, 9476120, 12318956, 15398695, 24637912, 30797390, 61594780, 123189560]

約数ペア:

[(1, 123189560), (2, 61594780), (4, 30797390), (5, 24637912), (8, 15398695), (10, 12318956), (13, 9476120), (20, 6159478), (26, 4738060), (40, 3079739), (52, 2369030), (65, 1895224), (104, 1184515), (130, 947612), (241, 511160), (260, 473806), (482, 255580), (520, 236903), (964, 127790), (983, 125320), (1205, 102232), (1928, 63895), (1966, 62660), (2410, 51116), (3133, 39320), (3932, 31330), (4820, 25558), (4915, 25064), (6266, 19660), (7864, 15665), (9640, 12779), (9830, 12532)]