64200225

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 111849984

約数和(自身を除く): 47649759

約数列:

[1, 3, 5, 15, 25, 31, 53, 75, 93, 155, 159, 265, 465, 521, 775, 795, 1325, 1563, 1643, 2325, 2605, 3975, 4929, 7815, 8215, 13025, 16151, 24645, 27613, 39075, 41075, 48453, 80755, 82839, 123225, 138065, 242265, 403775, 414195, 690325, 856003, 1211325, 2070975, 2568009, 4280015, 12840045, 21400075, 64200225]

約数ペア:

[(1, 64200225), (3, 21400075), (5, 12840045), (15, 4280015), (25, 2568009), (31, 2070975), (53, 1211325), (75, 856003), (93, 690325), (155, 414195), (159, 403775), (265, 242265), (465, 138065), (521, 123225), (775, 82839), (795, 80755), (1325, 48453), (1563, 41075), (1643, 39075), (2325, 27613), (2605, 24645), (3975, 16151), (4929, 13025), (7815, 8215)]