48820720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 129072096

約数和(自身を除く): 80251376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 157, 169, 184, 208, 230, 260, 299, 314, 338, 368, 460, 520, 598, 628, 676, 785, 845, 920, 1040, 1196, 1256, 1352, 1495, 1570, 1690, 1840, 2041, 2392, 2512, 2704, 2990, 3140, 3380, 3611, 3887, 4082, 4784, 5980, 6280, 6760, 7222, 7774, 8164, 10205, 11960, 12560, 13520, 14444, 15548, 16328, 18055, 19435, 20410, 23920, 26533, 28888, 31096, 32656, 36110, 38870, 40820, 46943, 53066, 57776, 62192, 72220, 77740, 81640, 93886, 106132, 132665, 144440, 155480, 163280, 187772, 212264, 234715, 265330, 288880, 310960, 375544, 424528, 469430, 530660, 610259, 751088, 938860, 1061320, 1220518, 1877720, 2122640, 2441036, 3051295, 3755440, 4882072, 6102590, 9764144, 12205180, 24410360, 48820720]

約数ペア:

[(1, 48820720), (2, 24410360), (4, 12205180), (5, 9764144), (8, 6102590), (10, 4882072), (13, 3755440), (16, 3051295), (20, 2441036), (23, 2122640), (26, 1877720), (40, 1220518), (46, 1061320), (52, 938860), (65, 751088), (80, 610259), (92, 530660), (104, 469430), (115, 424528), (130, 375544), (157, 310960), (169, 288880), (184, 265330), (208, 234715), (230, 212264), (260, 187772), (299, 163280), (314, 155480), (338, 144440), (368, 132665), (460, 106132), (520, 93886), (598, 81640), (628, 77740), (676, 72220), (785, 62192), (845, 57776), (920, 53066), (1040, 46943), (1196, 40820), (1256, 38870), (1352, 36110), (1495, 32656), (1570, 31096), (1690, 28888), (1840, 26533), (2041, 23920), (2392, 20410), (2512, 19435), (2704, 18055), (2990, 16328), (3140, 15548), (3380, 14444), (3611, 13520), (3887, 12560), (4082, 11960), (4784, 10205), (5980, 8164), (6280, 7774), (6760, 7222)]