72442480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 185131008

約数和(自身を除く): 112688528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 191, 220, 382, 431, 440, 764, 862, 880, 955, 1528, 1724, 1910, 2101, 2155, 3056, 3448, 3820, 4202, 4310, 4741, 6896, 7640, 8404, 8620, 9482, 10505, 15280, 16808, 17240, 18964, 21010, 23705, 33616, 34480, 37928, 42020, 47410, 75856, 82321, 84040, 94820, 164642, 168080, 189640, 329284, 379280, 411605, 658568, 823210, 905531, 1317136, 1646420, 1811062, 3292840, 3622124, 4527655, 6585680, 7244248, 9055310, 14488496, 18110620, 36221240, 72442480]

約数ペア:

[(1, 72442480), (2, 36221240), (4, 18110620), (5, 14488496), (8, 9055310), (10, 7244248), (11, 6585680), (16, 4527655), (20, 3622124), (22, 3292840), (40, 1811062), (44, 1646420), (55, 1317136), (80, 905531), (88, 823210), (110, 658568), (176, 411605), (191, 379280), (220, 329284), (382, 189640), (431, 168080), (440, 164642), (764, 94820), (862, 84040), (880, 82321), (955, 75856), (1528, 47410), (1724, 42020), (1910, 37928), (2101, 34480), (2155, 33616), (3056, 23705), (3448, 21010), (3820, 18964), (4202, 17240), (4310, 16808), (4741, 15280), (6896, 10505), (7640, 9482), (8404, 8620)]