1680490125

素因数分解:

$3^3\times 5^3\times {\mathrm{71}}^1\times {\mathrm{7013}}^1$

素因数の和:7108

約数の個数: 64

約数和(自身を含む): 3151249920

約数和(自身を除く): 1470759795

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 125, 135, 213, 225, 355, 375, 639, 675, 1065, 1125, 1775, 1917, 3195, 3375, 5325, 7013, 8875, 9585, 15975, 21039, 26625, 35065, 47925, 63117, 79875, 105195, 175325, 189351, 239625, 315585, 497923, 525975, 876625, 946755, 1493769, 1577925, 2489615, 2629875, 4481307, 4733775, 7468845, 7889625, 12448075, 13443921, 22406535, 23668875, 37344225, 62240375, 67219605, 112032675, 186721125, 336098025, 560163375, 1680490125]

約数ペア:

[(1, 1680490125), (3, 560163375), (5, 336098025), (9, 186721125), (15, 112032675), (25, 67219605), (27, 62240375), (45, 37344225), (71, 23668875), (75, 22406535), (125, 13443921), (135, 12448075), (213, 7889625), (225, 7468845), (355, 4733775), (375, 4481307), (639, 2629875), (675, 2489615), (1065, 1577925), (1125, 1493769), (1775, 946755), (1917, 876625), (3195, 525975), (3375, 497923), (5325, 315585), (7013, 239625), (8875, 189351), (9585, 175325), (15975, 105195), (21039, 79875), (26625, 63117), (35065, 47925)]