90178140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{115613}}^1$

素因数の和:115638

約数の個数: 48

約数和(自身を含む): 271924128

約数和(自身を除く): 181745988

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, 115613, 231226, 346839, 462452, 578065, 693678, 1156130, 1387356, 1502969, 1734195, 2312260, 3005938, 3468390, 4508907, 6011876, 6936780, 7514845, 9017814, 15029690, 18035628, 22544535, 30059380, 45089070, 90178140]

約数ペア:

[(1, 90178140), (2, 45089070), (3, 30059380), (4, 22544535), (5, 18035628), (6, 15029690), (10, 9017814), (12, 7514845), (13, 6936780), (15, 6011876), (20, 4508907), (26, 3468390), (30, 3005938), (39, 2312260), (52, 1734195), (60, 1502969), (65, 1387356), (78, 1156130), (130, 693678), (156, 578065), (195, 462452), (260, 346839), (390, 231226), (780, 115613)]