1217587840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1571}}^1$

素因数の和:1770

約数の個数: 128

約数和(自身を含む): 3347982720

約数和(自身を除く): 2130394880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 173, 224, 280, 320, 346, 448, 560, 640, 692, 865, 896, 1120, 1211, 1384, 1571, 1730, 2240, 2422, 2768, 3142, 3460, 4480, 4844, 5536, 6055, 6284, 6920, 7855, 9688, 10997, 11072, 12110, 12568, 13840, 15710, 19376, 21994, 22144, 24220, 25136, 27680, 31420, 38752, 43988, 48440, 50272, 54985, 55360, 62840, 77504, 87976, 96880, 100544, 109970, 110720, 125680, 155008, 175952, 193760, 201088, 219940, 251360, 271783, 351904, 387520, 439880, 502720, 543566, 703808, 775040, 879760, 1005440, 1087132, 1358915, 1407616, 1759520, 1902481, 2174264, 2717830, 3519040, 3804962, 4348528, 5435660, 7038080, 7609924, 8697056, 9512405, 10871320, 15219848, 17394112, 19024810, 21742640, 30439696, 34788224, 38049620, 43485280, 60879392, 76099240, 86970560, 121758784, 152198480, 173941120, 243517568, 304396960, 608793920, 1217587840]

約数ペア:

[(1, 1217587840), (2, 608793920), (4, 304396960), (5, 243517568), (7, 173941120), (8, 152198480), (10, 121758784), (14, 86970560), (16, 76099240), (20, 60879392), (28, 43485280), (32, 38049620), (35, 34788224), (40, 30439696), (56, 21742640), (64, 19024810), (70, 17394112), (80, 15219848), (112, 10871320), (128, 9512405), (140, 8697056), (160, 7609924), (173, 7038080), (224, 5435660), (280, 4348528), (320, 3804962), (346, 3519040), (448, 2717830), (560, 2174264), (640, 1902481), (692, 1759520), (865, 1407616), (896, 1358915), (1120, 1087132), (1211, 1005440), (1384, 879760), (1571, 775040), (1730, 703808), (2240, 543566), (2422, 502720), (2768, 439880), (3142, 387520), (3460, 351904), (4480, 271783), (4844, 251360), (5536, 219940), (6055, 201088), (6284, 193760), (6920, 175952), (7855, 155008), (9688, 125680), (10997, 110720), (11072, 109970), (12110, 100544), (12568, 96880), (13840, 87976), (15710, 77504), (19376, 62840), (21994, 55360), (22144, 54985), (24220, 50272), (25136, 48440), (27680, 43988), (31420, 38752)]