81563832

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 261869400

約数和(自身を除く): 180305568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 61, 63, 72, 84, 98, 122, 126, 147, 168, 183, 196, 244, 252, 294, 366, 379, 392, 427, 441, 488, 504, 549, 588, 732, 758, 854, 882, 1098, 1137, 1176, 1281, 1464, 1516, 1708, 1764, 2196, 2274, 2562, 2653, 2989, 3032, 3411, 3416, 3528, 3843, 4392, 4548, 5124, 5306, 5978, 6822, 7686, 7959, 8967, 9096, 10248, 10612, 11956, 13644, 15372, 15918, 17934, 18571, 21224, 23119, 23877, 23912, 26901, 27288, 30744, 31836, 35868, 37142, 46238, 47754, 53802, 55713, 63672, 69357, 71736, 74284, 92476, 95508, 107604, 111426, 138714, 148568, 161833, 167139, 184952, 191016, 208071, 215208, 222852, 277428, 323666, 334278, 416142, 445704, 485499, 554856, 647332, 668556, 832284, 970998, 1132831, 1294664, 1337112, 1456497, 1664568, 1941996, 2265662, 2912994, 3398493, 3883992, 4531324, 5825988, 6796986, 9062648, 10195479, 11651976, 13593972, 20390958, 27187944, 40781916, 81563832]

約数ペア:

[(1, 81563832), (2, 40781916), (3, 27187944), (4, 20390958), (6, 13593972), (7, 11651976), (8, 10195479), (9, 9062648), (12, 6796986), (14, 5825988), (18, 4531324), (21, 3883992), (24, 3398493), (28, 2912994), (36, 2265662), (42, 1941996), (49, 1664568), (56, 1456497), (61, 1337112), (63, 1294664), (72, 1132831), (84, 970998), (98, 832284), (122, 668556), (126, 647332), (147, 554856), (168, 485499), (183, 445704), (196, 416142), (244, 334278), (252, 323666), (294, 277428), (366, 222852), (379, 215208), (392, 208071), (427, 191016), (441, 184952), (488, 167139), (504, 161833), (549, 148568), (588, 138714), (732, 111426), (758, 107604), (854, 95508), (882, 92476), (1098, 74284), (1137, 71736), (1176, 69357), (1281, 63672), (1464, 55713), (1516, 53802), (1708, 47754), (1764, 46238), (2196, 37142), (2274, 35868), (2562, 31836), (2653, 30744), (2989, 27288), (3032, 26901), (3411, 23912), (3416, 23877), (3528, 23119), (3843, 21224), (4392, 18571), (4548, 17934), (5124, 15918), (5306, 15372), (5978, 13644), (6822, 11956), (7686, 10612), (7959, 10248), (8967, 9096)]