220016880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{709}}^1$

素因数の和:1159

約数の個数: 120

約数和(自身を含む): 741648960

約数和(自身を除く): 521632080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 431, 709, 720, 862, 1293, 1418, 1724, 2127, 2155, 2586, 2836, 3448, 3545, 3879, 4254, 4310, 5172, 5672, 6381, 6465, 6896, 7090, 7758, 8508, 8620, 10344, 10635, 11344, 12762, 12930, 14180, 15516, 17016, 17240, 19395, 20688, 21270, 25524, 25860, 28360, 31032, 31905, 34032, 34480, 38790, 42540, 51048, 51720, 56720, 62064, 63810, 77580, 85080, 102096, 103440, 127620, 155160, 170160, 255240, 305579, 310320, 510480, 611158, 916737, 1222316, 1527895, 1833474, 2444632, 2750211, 3055790, 3666948, 4583685, 4889264, 5500422, 6111580, 7333896, 9167370, 11000844, 12223160, 13751055, 14667792, 18334740, 22001688, 24446320, 27502110, 36669480, 44003376, 55004220, 73338960, 110008440, 220016880]

約数ペア:

[(1, 220016880), (2, 110008440), (3, 73338960), (4, 55004220), (5, 44003376), (6, 36669480), (8, 27502110), (9, 24446320), (10, 22001688), (12, 18334740), (15, 14667792), (16, 13751055), (18, 12223160), (20, 11000844), (24, 9167370), (30, 7333896), (36, 6111580), (40, 5500422), (45, 4889264), (48, 4583685), (60, 3666948), (72, 3055790), (80, 2750211), (90, 2444632), (120, 1833474), (144, 1527895), (180, 1222316), (240, 916737), (360, 611158), (431, 510480), (709, 310320), (720, 305579), (862, 255240), (1293, 170160), (1418, 155160), (1724, 127620), (2127, 103440), (2155, 102096), (2586, 85080), (2836, 77580), (3448, 63810), (3545, 62064), (3879, 56720), (4254, 51720), (4310, 51048), (5172, 42540), (5672, 38790), (6381, 34480), (6465, 34032), (6896, 31905), (7090, 31032), (7758, 28360), (8508, 25860), (8620, 25524), (10344, 21270), (10635, 20688), (11344, 19395), (12762, 17240), (12930, 17016), (14180, 15516)]