644212860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18229}}^1$

素因数の和:18291

約数の個数: 96

約数和(自身を含む): 1960089600

約数和(自身を除く): 1315876740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 589, 620, 930, 1140, 1178, 1767, 1860, 2356, 2945, 3534, 5890, 7068, 8835, 11780, 17670, 18229, 35340, 36458, 54687, 72916, 91145, 109374, 182290, 218748, 273435, 346351, 364580, 546870, 565099, 692702, 1039053, 1093740, 1130198, 1385404, 1695297, 1731755, 2078106, 2260396, 2825495, 3390594, 3463510, 4156212, 5195265, 5650990, 6781188, 6927020, 8476485, 10390530, 10736881, 11301980, 16952970, 20781060, 21473762, 32210643, 33905940, 42947524, 53684405, 64421286, 107368810, 128842572, 161053215, 214737620, 322106430, 644212860]

約数ペア:

[(1, 644212860), (2, 322106430), (3, 214737620), (4, 161053215), (5, 128842572), (6, 107368810), (10, 64421286), (12, 53684405), (15, 42947524), (19, 33905940), (20, 32210643), (30, 21473762), (31, 20781060), (38, 16952970), (57, 11301980), (60, 10736881), (62, 10390530), (76, 8476485), (93, 6927020), (95, 6781188), (114, 5650990), (124, 5195265), (155, 4156212), (186, 3463510), (190, 3390594), (228, 2825495), (285, 2260396), (310, 2078106), (372, 1731755), (380, 1695297), (465, 1385404), (570, 1130198), (589, 1093740), (620, 1039053), (930, 692702), (1140, 565099), (1178, 546870), (1767, 364580), (1860, 346351), (2356, 273435), (2945, 218748), (3534, 182290), (5890, 109374), (7068, 91145), (8835, 72916), (11780, 54687), (17670, 36458), (18229, 35340)]