257704320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1699}}^1$

素因数の和:1800

約数の個数: 128

約数和(自身を含む): 832320000

約数和(自身を除く): 574615680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 316, 320, 384, 395, 474, 480, 632, 640, 790, 948, 960, 1185, 1264, 1580, 1699, 1896, 1920, 2370, 2528, 3160, 3398, 3792, 4740, 5056, 5097, 6320, 6796, 7584, 8495, 9480, 10112, 10194, 12640, 13592, 15168, 16990, 18960, 20388, 25280, 25485, 27184, 30336, 33980, 37920, 40776, 50560, 50970, 54368, 67960, 75840, 81552, 101940, 108736, 134221, 135920, 151680, 163104, 203880, 217472, 268442, 271840, 326208, 402663, 407760, 536884, 543680, 652416, 671105, 805326, 815520, 1073768, 1087360, 1342210, 1610652, 1631040, 2013315, 2147536, 2684420, 3221304, 3262080, 4026630, 4295072, 5368840, 6442608, 8053260, 8590144, 10737680, 12885216, 16106520, 17180288, 21475360, 25770432, 32213040, 42950720, 51540864, 64426080, 85901440, 128852160, 257704320]

約数ペア:

[(1, 257704320), (2, 128852160), (3, 85901440), (4, 64426080), (5, 51540864), (6, 42950720), (8, 32213040), (10, 25770432), (12, 21475360), (15, 17180288), (16, 16106520), (20, 12885216), (24, 10737680), (30, 8590144), (32, 8053260), (40, 6442608), (48, 5368840), (60, 4295072), (64, 4026630), (79, 3262080), (80, 3221304), (96, 2684420), (120, 2147536), (128, 2013315), (158, 1631040), (160, 1610652), (192, 1342210), (237, 1087360), (240, 1073768), (316, 815520), (320, 805326), (384, 671105), (395, 652416), (474, 543680), (480, 536884), (632, 407760), (640, 402663), (790, 326208), (948, 271840), (960, 268442), (1185, 217472), (1264, 203880), (1580, 163104), (1699, 151680), (1896, 135920), (1920, 134221), (2370, 108736), (2528, 101940), (3160, 81552), (3398, 75840), (3792, 67960), (4740, 54368), (5056, 50970), (5097, 50560), (6320, 40776), (6796, 37920), (7584, 33980), (8495, 30336), (9480, 27184), (10112, 25485), (10194, 25280), (12640, 20388), (13592, 18960), (15168, 16990)]