15712020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2129}}^1$

素因数の和:2185

約数の個数: 72

約数和(自身を含む): 48845160

約数和(自身を除く): 33133140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2129, 2460, 3690, 4258, 6387, 7380, 8516, 10645, 12774, 19161, 21290, 25548, 31935, 38322, 42580, 63870, 76644, 87289, 95805, 127740, 174578, 191610, 261867, 349156, 383220, 436445, 523734, 785601, 872890, 1047468, 1309335, 1571202, 1745780, 2618670, 3142404, 3928005, 5237340, 7856010, 15712020]

約数ペア:

[(1, 15712020), (2, 7856010), (3, 5237340), (4, 3928005), (5, 3142404), (6, 2618670), (9, 1745780), (10, 1571202), (12, 1309335), (15, 1047468), (18, 872890), (20, 785601), (30, 523734), (36, 436445), (41, 383220), (45, 349156), (60, 261867), (82, 191610), (90, 174578), (123, 127740), (164, 95805), (180, 87289), (205, 76644), (246, 63870), (369, 42580), (410, 38322), (492, 31935), (615, 25548), (738, 21290), (820, 19161), (1230, 12774), (1476, 10645), (1845, 8516), (2129, 7380), (2460, 6387), (3690, 4258)]