205156620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{27799}}^1$

素因数の和:27855

約数の個数: 72

約数和(自身を含む): 637509600

約数和(自身を除く): 432352980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 27799, 55598, 83397, 111196, 138995, 166794, 250191, 277990, 333588, 416985, 500382, 555980, 833970, 1000764, 1139759, 1250955, 1667940, 2279518, 2501910, 3419277, 4559036, 5003820, 5698795, 6838554, 10257831, 11397590, 13677108, 17096385, 20515662, 22795180, 34192770, 41031324, 51289155, 68385540, 102578310, 205156620]

約数ペア:

[(1, 205156620), (2, 102578310), (3, 68385540), (4, 51289155), (5, 41031324), (6, 34192770), (9, 22795180), (10, 20515662), (12, 17096385), (15, 13677108), (18, 11397590), (20, 10257831), (30, 6838554), (36, 5698795), (41, 5003820), (45, 4559036), (60, 3419277), (82, 2501910), (90, 2279518), (123, 1667940), (164, 1250955), (180, 1139759), (205, 1000764), (246, 833970), (369, 555980), (410, 500382), (492, 416985), (615, 333588), (738, 277990), (820, 250191), (1230, 166794), (1476, 138995), (1845, 111196), (2460, 83397), (3690, 55598), (7380, 27799)]