81615312

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 120

約数和(自身を含む): 241413120

約数和(自身を除く): 159797808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 47, 48, 62, 72, 93, 94, 124, 141, 144, 186, 188, 248, 279, 282, 372, 376, 389, 423, 496, 558, 564, 744, 752, 778, 846, 1116, 1128, 1167, 1457, 1488, 1556, 1692, 2232, 2256, 2334, 2914, 3112, 3384, 3501, 4371, 4464, 4668, 5828, 6224, 6768, 7002, 8742, 9336, 11656, 12059, 13113, 14004, 17484, 18283, 18672, 23312, 24118, 26226, 28008, 34968, 36177, 36566, 48236, 52452, 54849, 56016, 69936, 72354, 73132, 96472, 104904, 108531, 109698, 144708, 146264, 164547, 192944, 209808, 217062, 219396, 289416, 292528, 329094, 434124, 438792, 566773, 578832, 658188, 868248, 877584, 1133546, 1316376, 1700319, 1736496, 2267092, 2632752, 3400638, 4534184, 5100957, 6801276, 9068368, 10201914, 13602552, 20403828, 27205104, 40807656, 81615312]

約数ペア:

[(1, 81615312), (2, 40807656), (3, 27205104), (4, 20403828), (6, 13602552), (8, 10201914), (9, 9068368), (12, 6801276), (16, 5100957), (18, 4534184), (24, 3400638), (31, 2632752), (36, 2267092), (47, 1736496), (48, 1700319), (62, 1316376), (72, 1133546), (93, 877584), (94, 868248), (124, 658188), (141, 578832), (144, 566773), (186, 438792), (188, 434124), (248, 329094), (279, 292528), (282, 289416), (372, 219396), (376, 217062), (389, 209808), (423, 192944), (496, 164547), (558, 146264), (564, 144708), (744, 109698), (752, 108531), (778, 104904), (846, 96472), (1116, 73132), (1128, 72354), (1167, 69936), (1457, 56016), (1488, 54849), (1556, 52452), (1692, 48236), (2232, 36566), (2256, 36177), (2334, 34968), (2914, 28008), (3112, 26226), (3384, 24118), (3501, 23312), (4371, 18672), (4464, 18283), (4668, 17484), (5828, 14004), (6224, 13113), (6768, 12059), (7002, 11656), (8742, 9336)]