80954720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6571}}^1$

素因数の和:6604

約数の個数: 96

約数和(自身を含む): 238484736

約数和(自身を除く): 157530016

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 6571, 12320, 13142, 26284, 32855, 45997, 52568, 65710, 72281, 91994, 105136, 131420, 144562, 183988, 210272, 229985, 262840, 289124, 361405, 367976, 459970, 505967, 525680, 578248, 722810, 735952, 919940, 1011934, 1051360, 1156496, 1445620, 1471904, 1839880, 2023868, 2312992, 2529835, 2891240, 3679760, 4047736, 5059670, 5782480, 7359520, 8095472, 10119340, 11564960, 16190944, 20238680, 40477360, 80954720]

約数ペア:

[(1, 80954720), (2, 40477360), (4, 20238680), (5, 16190944), (7, 11564960), (8, 10119340), (10, 8095472), (11, 7359520), (14, 5782480), (16, 5059670), (20, 4047736), (22, 3679760), (28, 2891240), (32, 2529835), (35, 2312992), (40, 2023868), (44, 1839880), (55, 1471904), (56, 1445620), (70, 1156496), (77, 1051360), (80, 1011934), (88, 919940), (110, 735952), (112, 722810), (140, 578248), (154, 525680), (160, 505967), (176, 459970), (220, 367976), (224, 361405), (280, 289124), (308, 262840), (352, 229985), (385, 210272), (440, 183988), (560, 144562), (616, 131420), (770, 105136), (880, 91994), (1120, 72281), (1232, 65710), (1540, 52568), (1760, 45997), (2464, 32855), (3080, 26284), (6160, 13142), (6571, 12320)]