256237488

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{136879}}^1$

素因数の和:136906

約数の個数: 60

約数和(自身を含む): 772276960

約数和(自身を除く): 516039472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 136879, 273758, 410637, 547516, 821274, 1095032, 1231911, 1642548, 1779427, 2190064, 2463822, 3285096, 3558854, 4927644, 5338281, 6570192, 7117708, 9855288, 10676562, 14235416, 16014843, 19710576, 21353124, 28470832, 32029686, 42706248, 64059372, 85412496, 128118744, 256237488]

約数ペア:

[(1, 256237488), (2, 128118744), (3, 85412496), (4, 64059372), (6, 42706248), (8, 32029686), (9, 28470832), (12, 21353124), (13, 19710576), (16, 16014843), (18, 14235416), (24, 10676562), (26, 9855288), (36, 7117708), (39, 6570192), (48, 5338281), (52, 4927644), (72, 3558854), (78, 3285096), (104, 2463822), (117, 2190064), (144, 1779427), (156, 1642548), (208, 1231911), (234, 1095032), (312, 821274), (468, 547516), (624, 410637), (936, 273758), (1872, 136879)]