205433460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4547}}^1$

素因数の和:4813

約数の個数: 72

約数和(自身を含む): 625768416

約数和(自身を除く): 420334956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 2259, 2510, 3012, 3765, 4518, 4547, 5020, 7530, 9036, 9094, 11295, 13641, 15060, 18188, 22590, 22735, 27282, 40923, 45180, 45470, 54564, 68205, 81846, 90940, 136410, 163692, 204615, 272820, 409230, 818460, 1141297, 2282594, 3423891, 4565188, 5706485, 6847782, 10271673, 11412970, 13695564, 17119455, 20543346, 22825940, 34238910, 41086692, 51358365, 68477820, 102716730, 205433460]

約数ペア:

[(1, 205433460), (2, 102716730), (3, 68477820), (4, 51358365), (5, 41086692), (6, 34238910), (9, 22825940), (10, 20543346), (12, 17119455), (15, 13695564), (18, 11412970), (20, 10271673), (30, 6847782), (36, 5706485), (45, 4565188), (60, 3423891), (90, 2282594), (180, 1141297), (251, 818460), (502, 409230), (753, 272820), (1004, 204615), (1255, 163692), (1506, 136410), (2259, 90940), (2510, 81846), (3012, 68205), (3765, 54564), (4518, 45470), (4547, 45180), (5020, 40923), (7530, 27282), (9036, 22735), (9094, 22590), (11295, 18188), (13641, 15060)]