129401640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{359449}}^1$

素因数の和:359466

約数の個数: 48

約数和(自身を含む): 420556500

約数和(自身を除く): 291154860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 359449, 718898, 1078347, 1437796, 1797245, 2156694, 2875592, 3235041, 3594490, 4313388, 5391735, 6470082, 7188980, 8626776, 10783470, 12940164, 14377960, 16175205, 21566940, 25880328, 32350410, 43133880, 64700820, 129401640]

約数ペア:

[(1, 129401640), (2, 64700820), (3, 43133880), (4, 32350410), (5, 25880328), (6, 21566940), (8, 16175205), (9, 14377960), (10, 12940164), (12, 10783470), (15, 8626776), (18, 7188980), (20, 6470082), (24, 5391735), (30, 4313388), (36, 3594490), (40, 3235041), (45, 2875592), (60, 2156694), (72, 1797245), (90, 1437796), (120, 1078347), (180, 718898), (360, 359449)]