64413225

素因数分解:

$3^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 125116992

約数和(自身を除く): 60703767

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 243, 345, 405, 461, 575, 621, 675, 1035, 1215, 1383, 1725, 1863, 2025, 2305, 3105, 4149, 5175, 5589, 6075, 6915, 9315, 10603, 11525, 12447, 15525, 20745, 27945, 31809, 34575, 37341, 46575, 53015, 62235, 95427, 103725, 112023, 139725, 159045, 186705, 265075, 286281, 311175, 477135, 560115, 795225, 858843, 933525, 1431405, 2385675, 2576529, 2800575, 4294215, 7157025, 12882645, 21471075, 64413225]

約数ペア:

[(1, 64413225), (3, 21471075), (5, 12882645), (9, 7157025), (15, 4294215), (23, 2800575), (25, 2576529), (27, 2385675), (45, 1431405), (69, 933525), (75, 858843), (81, 795225), (115, 560115), (135, 477135), (207, 311175), (225, 286281), (243, 265075), (345, 186705), (405, 159045), (461, 139725), (575, 112023), (621, 103725), (675, 95427), (1035, 62235), (1215, 53015), (1383, 46575), (1725, 37341), (1863, 34575), (2025, 31809), (2305, 27945), (3105, 20745), (4149, 15525), (5175, 12447), (5589, 11525), (6075, 10603), (6915, 9315)]