123675440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{821}}^1$

素因数の和:1110

約数の個数: 80

約数和(自身を含む): 330246720

約数和(自身を除く): 206571280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 269, 280, 538, 560, 821, 1076, 1345, 1642, 1883, 2152, 2690, 3284, 3766, 4105, 4304, 5380, 5747, 6568, 7532, 8210, 9415, 10760, 11494, 13136, 15064, 16420, 18830, 21520, 22988, 28735, 30128, 32840, 37660, 45976, 57470, 65680, 75320, 91952, 114940, 150640, 220849, 229880, 441698, 459760, 883396, 1104245, 1545943, 1766792, 2208490, 3091886, 3533584, 4416980, 6183772, 7729715, 8833960, 12367544, 15459430, 17667920, 24735088, 30918860, 61837720, 123675440]

約数ペア:

[(1, 123675440), (2, 61837720), (4, 30918860), (5, 24735088), (7, 17667920), (8, 15459430), (10, 12367544), (14, 8833960), (16, 7729715), (20, 6183772), (28, 4416980), (35, 3533584), (40, 3091886), (56, 2208490), (70, 1766792), (80, 1545943), (112, 1104245), (140, 883396), (269, 459760), (280, 441698), (538, 229880), (560, 220849), (821, 150640), (1076, 114940), (1345, 91952), (1642, 75320), (1883, 65680), (2152, 57470), (2690, 45976), (3284, 37660), (3766, 32840), (4105, 30128), (4304, 28735), (5380, 22988), (5747, 21520), (6568, 18830), (7532, 16420), (8210, 15064), (9415, 13136), (10760, 11494)]