179900180840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1\times {\mathrm{105667}}^1$

素因数の和:107082

約数の個数: 64

約数和(自身を含む): 418140956160

約数和(自身を除く): 238240775320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1373, 2746, 5492, 6865, 10984, 13730, 27460, 42563, 54920, 85126, 105667, 170252, 211334, 212815, 340504, 422668, 425630, 528335, 845336, 851260, 1056670, 1702520, 2113340, 3275677, 4226680, 6551354, 13102708, 16378385, 26205416, 32756770, 65513540, 131027080, 145080791, 290161582, 580323164, 725403955, 1160646328, 1450807910, 2901615820, 4497504521, 5803231640, 8995009042, 17990018084, 22487522605, 35980036168, 44975045210, 89950090420, 179900180840]

約数ペア:

[(1, 179900180840), (2, 89950090420), (4, 44975045210), (5, 35980036168), (8, 22487522605), (10, 17990018084), (20, 8995009042), (31, 5803231640), (40, 4497504521), (62, 2901615820), (124, 1450807910), (155, 1160646328), (248, 725403955), (310, 580323164), (620, 290161582), (1240, 145080791), (1373, 131027080), (2746, 65513540), (5492, 32756770), (6865, 26205416), (10984, 16378385), (13730, 13102708), (27460, 6551354), (42563, 4226680), (54920, 3275677), (85126, 2113340), (105667, 1702520), (170252, 1056670), (211334, 851260), (212815, 845336), (340504, 528335), (422668, 425630)]