281567220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2357}}^1$

素因数の和:2561

約数の個数: 96

約数和(自身を含む): 865178496

約数和(自身を除く): 583611276

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 181, 220, 330, 362, 543, 660, 724, 905, 1086, 1810, 1991, 2172, 2357, 2715, 3620, 3982, 4714, 5430, 5973, 7071, 7964, 9428, 9955, 10860, 11785, 11946, 14142, 19910, 23570, 23892, 25927, 28284, 29865, 35355, 39820, 47140, 51854, 59730, 70710, 77781, 103708, 119460, 129635, 141420, 155562, 259270, 311124, 388905, 426617, 518540, 777810, 853234, 1279851, 1555620, 1706468, 2133085, 2559702, 4266170, 4692787, 5119404, 6399255, 8532340, 9385574, 12798510, 14078361, 18771148, 23463935, 25597020, 28156722, 46927870, 56313444, 70391805, 93855740, 140783610, 281567220]

約数ペア:

[(1, 281567220), (2, 140783610), (3, 93855740), (4, 70391805), (5, 56313444), (6, 46927870), (10, 28156722), (11, 25597020), (12, 23463935), (15, 18771148), (20, 14078361), (22, 12798510), (30, 9385574), (33, 8532340), (44, 6399255), (55, 5119404), (60, 4692787), (66, 4266170), (110, 2559702), (132, 2133085), (165, 1706468), (181, 1555620), (220, 1279851), (330, 853234), (362, 777810), (543, 518540), (660, 426617), (724, 388905), (905, 311124), (1086, 259270), (1810, 155562), (1991, 141420), (2172, 129635), (2357, 119460), (2715, 103708), (3620, 77781), (3982, 70710), (4714, 59730), (5430, 51854), (5973, 47140), (7071, 39820), (7964, 35355), (9428, 29865), (9955, 28284), (10860, 25927), (11785, 23892), (11946, 23570), (14142, 19910)]