220581960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{349}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 695520000

約数和(自身を除く): 474938040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 229, 230, 276, 345, 349, 458, 460, 552, 687, 690, 698, 916, 920, 1047, 1145, 1374, 1380, 1396, 1745, 1832, 2094, 2290, 2748, 2760, 2792, 3435, 3490, 4188, 4580, 5235, 5267, 5496, 6870, 6980, 8027, 8376, 9160, 10470, 10534, 13740, 13960, 15801, 16054, 20940, 21068, 24081, 26335, 27480, 31602, 32108, 40135, 41880, 42136, 48162, 52670, 63204, 64216, 79005, 79921, 80270, 96324, 105340, 120405, 126408, 158010, 159842, 160540, 192648, 210680, 239763, 240810, 316020, 319684, 321080, 399605, 479526, 481620, 632040, 639368, 799210, 959052, 963240, 1198815, 1598420, 1838183, 1918104, 2397630, 3196840, 3676366, 4795260, 5514549, 7352732, 9190915, 9590520, 11029098, 14705464, 18381830, 22058196, 27572745, 36763660, 44116392, 55145490, 73527320, 110290980, 220581960]

約数ペア:

[(1, 220581960), (2, 110290980), (3, 73527320), (4, 55145490), (5, 44116392), (6, 36763660), (8, 27572745), (10, 22058196), (12, 18381830), (15, 14705464), (20, 11029098), (23, 9590520), (24, 9190915), (30, 7352732), (40, 5514549), (46, 4795260), (60, 3676366), (69, 3196840), (92, 2397630), (115, 1918104), (120, 1838183), (138, 1598420), (184, 1198815), (229, 963240), (230, 959052), (276, 799210), (345, 639368), (349, 632040), (458, 481620), (460, 479526), (552, 399605), (687, 321080), (690, 319684), (698, 316020), (916, 240810), (920, 239763), (1047, 210680), (1145, 192648), (1374, 160540), (1380, 159842), (1396, 158010), (1745, 126408), (1832, 120405), (2094, 105340), (2290, 96324), (2748, 80270), (2760, 79921), (2792, 79005), (3435, 64216), (3490, 63204), (4188, 52670), (4580, 48162), (5235, 42136), (5267, 41880), (5496, 40135), (6870, 32108), (6980, 31602), (8027, 27480), (8376, 26335), (9160, 24081), (10470, 21068), (10534, 20940), (13740, 16054), (13960, 15801)]