215681640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4003}}^1$

素因数の和:4466

約数の個数: 64

約数和(自身を含む): 648648000

約数和(自身を除く): 432966360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 449, 898, 1347, 1796, 2245, 2694, 3592, 4003, 4490, 5388, 6735, 8006, 8980, 10776, 12009, 13470, 16012, 17960, 20015, 24018, 26940, 32024, 40030, 48036, 53880, 60045, 80060, 96072, 120090, 160120, 240180, 480360, 1797347, 3594694, 5392041, 7189388, 8986735, 10784082, 14378776, 17973470, 21568164, 26960205, 35946940, 43136328, 53920410, 71893880, 107840820, 215681640]

約数ペア:

[(1, 215681640), (2, 107840820), (3, 71893880), (4, 53920410), (5, 43136328), (6, 35946940), (8, 26960205), (10, 21568164), (12, 17973470), (15, 14378776), (20, 10784082), (24, 8986735), (30, 7189388), (40, 5392041), (60, 3594694), (120, 1797347), (449, 480360), (898, 240180), (1347, 160120), (1796, 120090), (2245, 96072), (2694, 80060), (3592, 60045), (4003, 53880), (4490, 48036), (5388, 40030), (6735, 32024), (8006, 26940), (8980, 24018), (10776, 20015), (12009, 17960), (13470, 16012)]