128572560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{631}}^1$

素因数の和:933

約数の個数: 120

約数和(自身を含む): 434001984

約数和(自身を除く): 305429424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 283, 360, 566, 631, 720, 849, 1132, 1262, 1415, 1698, 1893, 2264, 2524, 2547, 2830, 3155, 3396, 3786, 4245, 4528, 5048, 5094, 5660, 5679, 6310, 6792, 7572, 8490, 9465, 10096, 10188, 11320, 11358, 12620, 12735, 13584, 15144, 16980, 18930, 20376, 22640, 22716, 25240, 25470, 28395, 30288, 33960, 37860, 40752, 45432, 50480, 50940, 56790, 67920, 75720, 90864, 101880, 113580, 151440, 178573, 203760, 227160, 357146, 454320, 535719, 714292, 892865, 1071438, 1428584, 1607157, 1785730, 2142876, 2678595, 2857168, 3214314, 3571460, 4285752, 5357190, 6428628, 7142920, 8035785, 8571504, 10714380, 12857256, 14285840, 16071570, 21428760, 25714512, 32143140, 42857520, 64286280, 128572560]

約数ペア:

[(1, 128572560), (2, 64286280), (3, 42857520), (4, 32143140), (5, 25714512), (6, 21428760), (8, 16071570), (9, 14285840), (10, 12857256), (12, 10714380), (15, 8571504), (16, 8035785), (18, 7142920), (20, 6428628), (24, 5357190), (30, 4285752), (36, 3571460), (40, 3214314), (45, 2857168), (48, 2678595), (60, 2142876), (72, 1785730), (80, 1607157), (90, 1428584), (120, 1071438), (144, 892865), (180, 714292), (240, 535719), (283, 454320), (360, 357146), (566, 227160), (631, 203760), (720, 178573), (849, 151440), (1132, 113580), (1262, 101880), (1415, 90864), (1698, 75720), (1893, 67920), (2264, 56790), (2524, 50940), (2547, 50480), (2830, 45432), (3155, 40752), (3396, 37860), (3786, 33960), (4245, 30288), (4528, 28395), (5048, 25470), (5094, 25240), (5660, 22716), (5679, 22640), (6310, 20376), (6792, 18930), (7572, 16980), (8490, 15144), (9465, 13584), (10096, 12735), (10188, 12620), (11320, 11358)]