31300620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40129}}^1$

素因数の和:40154

約数の個数: 48

約数和(自身を含む): 94385760

約数和(自身を除く): 63085140

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, 40129, 80258, 120387, 160516, 200645, 240774, 401290, 481548, 521677, 601935, 802580, 1043354, 1203870, 1565031, 2086708, 2407740, 2608385, 3130062, 5216770, 6260124, 7825155, 10433540, 15650310, 31300620]

約数ペア:

[(1, 31300620), (2, 15650310), (3, 10433540), (4, 7825155), (5, 6260124), (6, 5216770), (10, 3130062), (12, 2608385), (13, 2407740), (15, 2086708), (20, 1565031), (26, 1203870), (30, 1043354), (39, 802580), (52, 601935), (60, 521677), (65, 481548), (78, 401290), (130, 240774), (156, 200645), (195, 160516), (260, 120387), (390, 80258), (780, 40129)]