209921160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{16349}}^1$

素因数の和:16470

約数の個数: 64

約数和(自身を含む): 635688000

約数和(自身を除く): 425766840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 6420, 12840, 16349, 32698, 49047, 65396, 81745, 98094, 130792, 163490, 196188, 245235, 326980, 392376, 490470, 653960, 980940, 1749343, 1961880, 3498686, 5248029, 6997372, 8746715, 10496058, 13994744, 17493430, 20992116, 26240145, 34986860, 41984232, 52480290, 69973720, 104960580, 209921160]

約数ペア:

[(1, 209921160), (2, 104960580), (3, 69973720), (4, 52480290), (5, 41984232), (6, 34986860), (8, 26240145), (10, 20992116), (12, 17493430), (15, 13994744), (20, 10496058), (24, 8746715), (30, 6997372), (40, 5248029), (60, 3498686), (107, 1961880), (120, 1749343), (214, 980940), (321, 653960), (428, 490470), (535, 392376), (642, 326980), (856, 245235), (1070, 196188), (1284, 163490), (1605, 130792), (2140, 98094), (2568, 81745), (3210, 65396), (4280, 49047), (6420, 32698), (12840, 16349)]