2168218640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{19073}}^1$

素因数の和:19129

約数の個数: 120

約数和(自身を含む): 6066676440

約数和(自身を除く): 3898457800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 784, 812, 980, 1015, 1160, 1421, 1624, 1960, 2030, 2320, 2842, 3248, 3920, 4060, 5684, 7105, 8120, 11368, 14210, 16240, 19073, 22736, 28420, 38146, 56840, 76292, 95365, 113680, 133511, 152584, 190730, 267022, 305168, 381460, 534044, 553117, 667555, 762920, 934577, 1068088, 1106234, 1335110, 1525840, 1869154, 2136176, 2212468, 2670220, 2765585, 3738308, 3871819, 4424936, 4672885, 5340440, 5531170, 7476616, 7743638, 8849872, 9345770, 10680880, 11062340, 14953232, 15487276, 18691540, 19359095, 22124680, 27102733, 30974552, 37383080, 38718190, 44249360, 54205466, 61949104, 74766160, 77436380, 108410932, 135513665, 154872760, 216821864, 271027330, 309745520, 433643728, 542054660, 1084109320, 2168218640]

約数ペア:

[(1, 2168218640), (2, 1084109320), (4, 542054660), (5, 433643728), (7, 309745520), (8, 271027330), (10, 216821864), (14, 154872760), (16, 135513665), (20, 108410932), (28, 77436380), (29, 74766160), (35, 61949104), (40, 54205466), (49, 44249360), (56, 38718190), (58, 37383080), (70, 30974552), (80, 27102733), (98, 22124680), (112, 19359095), (116, 18691540), (140, 15487276), (145, 14953232), (196, 11062340), (203, 10680880), (232, 9345770), (245, 8849872), (280, 7743638), (290, 7476616), (392, 5531170), (406, 5340440), (464, 4672885), (490, 4424936), (560, 3871819), (580, 3738308), (784, 2765585), (812, 2670220), (980, 2212468), (1015, 2136176), (1160, 1869154), (1421, 1525840), (1624, 1335110), (1960, 1106234), (2030, 1068088), (2320, 934577), (2842, 762920), (3248, 667555), (3920, 553117), (4060, 534044), (5684, 381460), (7105, 305168), (8120, 267022), (11368, 190730), (14210, 152584), (16240, 133511), (19073, 113680), (22736, 95365), (28420, 76292), (38146, 56840)]