290505840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1210441}}^1$

素因数の和:1210457

約数の個数: 40

約数和(自身を含む): 900568848

約数和(自身を除く): 610063008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1210441, 2420882, 3631323, 4841764, 6052205, 7262646, 9683528, 12104410, 14525292, 18156615, 19367056, 24208820, 29050584, 36313230, 48417640, 58101168, 72626460, 96835280, 145252920, 290505840]

約数ペア:

[(1, 290505840), (2, 145252920), (3, 96835280), (4, 72626460), (5, 58101168), (6, 48417640), (8, 36313230), (10, 29050584), (12, 24208820), (15, 19367056), (16, 18156615), (20, 14525292), (24, 12104410), (30, 9683528), (40, 7262646), (48, 6052205), (60, 4841764), (80, 3631323), (120, 2420882), (240, 1210441)]