2080321680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1\times {\mathrm{283}}^1$

素因数の和:689

約数の個数: 160

約数和(自身を含む): 6554401920

約数和(自身を除く): 4474080240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 281, 283, 327, 436, 545, 562, 566, 654, 843, 849, 872, 1090, 1124, 1132, 1308, 1405, 1415, 1635, 1686, 1698, 1744, 2180, 2248, 2264, 2616, 2810, 2830, 3270, 3372, 3396, 4215, 4245, 4360, 4496, 4528, 5232, 5620, 5660, 6540, 6744, 6792, 8430, 8490, 8720, 11240, 11320, 13080, 13488, 13584, 16860, 16980, 22480, 22640, 26160, 30629, 30847, 33720, 33960, 61258, 61694, 67440, 67920, 79523, 91887, 92541, 122516, 123388, 153145, 154235, 159046, 183774, 185082, 238569, 245032, 246776, 306290, 308470, 318092, 367548, 370164, 397615, 459435, 462705, 477138, 490064, 493552, 612580, 616940, 636184, 735096, 740328, 795230, 918870, 925410, 954276, 1192845, 1225160, 1233880, 1272368, 1470192, 1480656, 1590460, 1837740, 1850820, 1908552, 2385690, 2450320, 2467760, 3180920, 3675480, 3701640, 3817104, 4771380, 6361840, 7350960, 7403280, 8668007, 9542760, 17336014, 19085520, 26004021, 34672028, 43340035, 52008042, 69344056, 86680070, 104016084, 130020105, 138688112, 173360140, 208032168, 260040210, 346720280, 416064336, 520080420, 693440560, 1040160840, 2080321680]

約数ペア:

[(1, 2080321680), (2, 1040160840), (3, 693440560), (4, 520080420), (5, 416064336), (6, 346720280), (8, 260040210), (10, 208032168), (12, 173360140), (15, 138688112), (16, 130020105), (20, 104016084), (24, 86680070), (30, 69344056), (40, 52008042), (48, 43340035), (60, 34672028), (80, 26004021), (109, 19085520), (120, 17336014), (218, 9542760), (240, 8668007), (281, 7403280), (283, 7350960), (327, 6361840), (436, 4771380), (545, 3817104), (562, 3701640), (566, 3675480), (654, 3180920), (843, 2467760), (849, 2450320), (872, 2385690), (1090, 1908552), (1124, 1850820), (1132, 1837740), (1308, 1590460), (1405, 1480656), (1415, 1470192), (1635, 1272368), (1686, 1233880), (1698, 1225160), (1744, 1192845), (2180, 954276), (2248, 925410), (2264, 918870), (2616, 795230), (2810, 740328), (2830, 735096), (3270, 636184), (3372, 616940), (3396, 612580), (4215, 493552), (4245, 490064), (4360, 477138), (4496, 462705), (4528, 459435), (5232, 397615), (5620, 370164), (5660, 367548), (6540, 318092), (6744, 308470), (6792, 306290), (8430, 246776), (8490, 245032), (8720, 238569), (11240, 185082), (11320, 183774), (13080, 159046), (13488, 154235), (13584, 153145), (16860, 123388), (16980, 122516), (22480, 92541), (22640, 91887), (26160, 79523), (30629, 67920), (30847, 67440), (33720, 61694), (33960, 61258)]