218956560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1979}}^1$

素因数の和:2456

約数の個数: 80

約数和(自身を含む): 680581440

約数和(自身を除く): 461624880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 461, 922, 1383, 1844, 1979, 2305, 2766, 3688, 3958, 4610, 5532, 5937, 6915, 7376, 7916, 9220, 9895, 11064, 11874, 13830, 15832, 18440, 19790, 22128, 23748, 27660, 29685, 31664, 36880, 39580, 47496, 55320, 59370, 79160, 94992, 110640, 118740, 158320, 237480, 474960, 912319, 1824638, 2736957, 3649276, 4561595, 5473914, 7298552, 9123190, 10947828, 13684785, 14597104, 18246380, 21895656, 27369570, 36492760, 43791312, 54739140, 72985520, 109478280, 218956560]

約数ペア:

[(1, 218956560), (2, 109478280), (3, 72985520), (4, 54739140), (5, 43791312), (6, 36492760), (8, 27369570), (10, 21895656), (12, 18246380), (15, 14597104), (16, 13684785), (20, 10947828), (24, 9123190), (30, 7298552), (40, 5473914), (48, 4561595), (60, 3649276), (80, 2736957), (120, 1824638), (240, 912319), (461, 474960), (922, 237480), (1383, 158320), (1844, 118740), (1979, 110640), (2305, 94992), (2766, 79160), (3688, 59370), (3958, 55320), (4610, 47496), (5532, 39580), (5937, 36880), (6915, 31664), (7376, 29685), (7916, 27660), (9220, 23748), (9895, 22128), (11064, 19790), (11874, 18440), (13830, 15832)]