90465180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{115981}}^1$

素因数の和:116006

約数の個数: 48

約数和(自身を含む): 272789664

約数和(自身を除く): 182324484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 115981, 231962, 347943, 463924, 579905, 695886, 1159810, 1391772, 1507753, 1739715, 2319620, 3015506, 3479430, 4523259, 6031012, 6958860, 7538765, 9046518, 15077530, 18093036, 22616295, 30155060, 45232590, 90465180]

約数ペア:

[(1, 90465180), (2, 45232590), (3, 30155060), (4, 22616295), (5, 18093036), (6, 15077530), (10, 9046518), (12, 7538765), (13, 6958860), (15, 6031012), (20, 4523259), (26, 3479430), (30, 3015506), (39, 2319620), (52, 1739715), (60, 1507753), (65, 1391772), (78, 1159810), (130, 695886), (156, 579905), (195, 463924), (260, 347943), (390, 231962), (780, 115981)]