123029960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 284834880

約数和(自身を除く): 161804920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 131, 212, 262, 265, 424, 443, 524, 530, 655, 886, 1048, 1060, 1310, 1772, 2120, 2215, 2620, 3544, 4430, 5240, 6943, 8860, 13886, 17720, 23479, 27772, 34715, 46958, 55544, 58033, 69430, 93916, 116066, 117395, 138860, 187832, 232132, 234790, 277720, 290165, 464264, 469580, 580330, 939160, 1160660, 2321320, 3075749, 6151498, 12302996, 15378745, 24605992, 30757490, 61514980, 123029960]

約数ペア:

[(1, 123029960), (2, 61514980), (4, 30757490), (5, 24605992), (8, 15378745), (10, 12302996), (20, 6151498), (40, 3075749), (53, 2321320), (106, 1160660), (131, 939160), (212, 580330), (262, 469580), (265, 464264), (424, 290165), (443, 277720), (524, 234790), (530, 232132), (655, 187832), (886, 138860), (1048, 117395), (1060, 116066), (1310, 93916), (1772, 69430), (2120, 58033), (2215, 55544), (2620, 46958), (3544, 34715), (4430, 27772), (5240, 23479), (6943, 17720), (8860, 13886)]