240272630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59621}}^1$

素因数の和:59672

約数の個数: 32

約数和(自身を含む): 480791808

約数和(自身を除く): 240519178

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 59621, 119242, 298105, 596210, 775073, 1550146, 1848251, 3696502, 3875365, 7750730, 9241255, 18482510, 24027263, 48054526, 120136315, 240272630]

約数ペア:

[(1, 240272630), (2, 120136315), (5, 48054526), (10, 24027263), (13, 18482510), (26, 9241255), (31, 7750730), (62, 3875365), (65, 3696502), (130, 1848251), (155, 1550146), (310, 775073), (403, 596210), (806, 298105), (2015, 119242), (4030, 59621)]