61837720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{821}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 159796800

約数和(自身を除く): 97959080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 269, 280, 538, 821, 1076, 1345, 1642, 1883, 2152, 2690, 3284, 3766, 4105, 5380, 5747, 6568, 7532, 8210, 9415, 10760, 11494, 15064, 16420, 18830, 22988, 28735, 32840, 37660, 45976, 57470, 75320, 114940, 220849, 229880, 441698, 883396, 1104245, 1545943, 1766792, 2208490, 3091886, 4416980, 6183772, 7729715, 8833960, 12367544, 15459430, 30918860, 61837720]

約数ペア:

[(1, 61837720), (2, 30918860), (4, 15459430), (5, 12367544), (7, 8833960), (8, 7729715), (10, 6183772), (14, 4416980), (20, 3091886), (28, 2208490), (35, 1766792), (40, 1545943), (56, 1104245), (70, 883396), (140, 441698), (269, 229880), (280, 220849), (538, 114940), (821, 75320), (1076, 57470), (1345, 45976), (1642, 37660), (1883, 32840), (2152, 28735), (2690, 22988), (3284, 18830), (3766, 16420), (4105, 15064), (5380, 11494), (5747, 10760), (6568, 9415), (7532, 8210)]