61918720

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 120

約数和(自身を含む): 159023304

約数和(自身を除く): 97104584

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 67, 76, 80, 95, 128, 134, 152, 160, 190, 256, 268, 304, 320, 335, 361, 380, 512, 536, 608, 640, 670, 722, 760, 1072, 1216, 1273, 1280, 1340, 1444, 1520, 1805, 2144, 2432, 2546, 2560, 2680, 2888, 3040, 3610, 4288, 4864, 5092, 5360, 5776, 6080, 6365, 7220, 8576, 9728, 10184, 10720, 11552, 12160, 12730, 14440, 17152, 20368, 21440, 23104, 24187, 24320, 25460, 28880, 34304, 40736, 42880, 46208, 48374, 48640, 50920, 57760, 81472, 85760, 92416, 96748, 101840, 115520, 120935, 162944, 171520, 184832, 193496, 203680, 231040, 241870, 325888, 386992, 407360, 462080, 483740, 651776, 773984, 814720, 924160, 967480, 1547968, 1629440, 1934960, 3095936, 3258880, 3869920, 6191872, 7739840, 12383744, 15479680, 30959360, 61918720]

約数ペア:

[(1, 61918720), (2, 30959360), (4, 15479680), (5, 12383744), (8, 7739840), (10, 6191872), (16, 3869920), (19, 3258880), (20, 3095936), (32, 1934960), (38, 1629440), (40, 1547968), (64, 967480), (67, 924160), (76, 814720), (80, 773984), (95, 651776), (128, 483740), (134, 462080), (152, 407360), (160, 386992), (190, 325888), (256, 241870), (268, 231040), (304, 203680), (320, 193496), (335, 184832), (361, 171520), (380, 162944), (512, 120935), (536, 115520), (608, 101840), (640, 96748), (670, 92416), (722, 85760), (760, 81472), (1072, 57760), (1216, 50920), (1273, 48640), (1280, 48374), (1340, 46208), (1444, 42880), (1520, 40736), (1805, 34304), (2144, 28880), (2432, 25460), (2546, 24320), (2560, 24187), (2680, 23104), (2888, 21440), (3040, 20368), (3610, 17152), (4288, 14440), (4864, 12730), (5092, 12160), (5360, 11552), (5776, 10720), (6080, 10184), (6365, 9728), (7220, 8576)]