120901040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1151}}^1$

素因数の和:1278

約数の個数: 80

約数和(自身を含む): 305980416

約数和(自身を除く): 185079376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 404, 505, 520, 808, 1010, 1040, 1151, 1313, 1616, 2020, 2302, 2626, 4040, 4604, 5252, 5755, 6565, 8080, 9208, 10504, 11510, 13130, 14963, 18416, 21008, 23020, 26260, 29926, 46040, 52520, 59852, 74815, 92080, 105040, 116251, 119704, 149630, 232502, 239408, 299260, 465004, 581255, 598520, 930008, 1162510, 1197040, 1511263, 1860016, 2325020, 3022526, 4650040, 6045052, 7556315, 9300080, 12090104, 15112630, 24180208, 30225260, 60450520, 120901040]

約数ペア:

[(1, 120901040), (2, 60450520), (4, 30225260), (5, 24180208), (8, 15112630), (10, 12090104), (13, 9300080), (16, 7556315), (20, 6045052), (26, 4650040), (40, 3022526), (52, 2325020), (65, 1860016), (80, 1511263), (101, 1197040), (104, 1162510), (130, 930008), (202, 598520), (208, 581255), (260, 465004), (404, 299260), (505, 239408), (520, 232502), (808, 149630), (1010, 119704), (1040, 116251), (1151, 105040), (1313, 92080), (1616, 74815), (2020, 59852), (2302, 52520), (2626, 46040), (4040, 29926), (4604, 26260), (5252, 23020), (5755, 21008), (6565, 18416), (8080, 14963), (9208, 13130), (10504, 11510)]