72120680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 170208000

約数和(自身を除く): 98087320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 79, 116, 145, 158, 232, 290, 316, 395, 580, 632, 787, 790, 1160, 1574, 1580, 2291, 3148, 3160, 3935, 4582, 6296, 7870, 9164, 11455, 15740, 18328, 22823, 22910, 31480, 45646, 45820, 62173, 91292, 91640, 114115, 124346, 182584, 228230, 248692, 310865, 456460, 497384, 621730, 912920, 1243460, 1803017, 2486920, 3606034, 7212068, 9015085, 14424136, 18030170, 36060340, 72120680]

約数ペア:

[(1, 72120680), (2, 36060340), (4, 18030170), (5, 14424136), (8, 9015085), (10, 7212068), (20, 3606034), (29, 2486920), (40, 1803017), (58, 1243460), (79, 912920), (116, 621730), (145, 497384), (158, 456460), (232, 310865), (290, 248692), (316, 228230), (395, 182584), (580, 124346), (632, 114115), (787, 91640), (790, 91292), (1160, 62173), (1574, 45820), (1580, 45646), (2291, 31480), (3148, 22910), (3160, 22823), (3935, 18328), (4582, 15740), (6296, 11455), (7870, 9164)]