81386448

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:273

約数の個数: 160

約数和(自身を含む): 251983872

約数和(自身を除く): 170597424

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 71, 78, 88, 104, 132, 142, 143, 156, 167, 176, 208, 213, 264, 284, 286, 312, 334, 426, 429, 501, 528, 568, 572, 624, 668, 781, 852, 858, 923, 1002, 1136, 1144, 1336, 1562, 1704, 1716, 1837, 1846, 2004, 2171, 2288, 2343, 2672, 2769, 3124, 3408, 3432, 3674, 3692, 4008, 4342, 4686, 5511, 5538, 6248, 6513, 6864, 7348, 7384, 8016, 8684, 9372, 10153, 11022, 11076, 11857, 12496, 13026, 14696, 14768, 17368, 18744, 20306, 22044, 22152, 23714, 23881, 26052, 29392, 30459, 34736, 35571, 37488, 40612, 44088, 44304, 47428, 47762, 52104, 60918, 71142, 71643, 81224, 88176, 94856, 95524, 104208, 121836, 130427, 142284, 143286, 154141, 162448, 189712, 191048, 243672, 260854, 284568, 286572, 308282, 382096, 391281, 462423, 487344, 521708, 569136, 573144, 616564, 782562, 924846, 1043416, 1146288, 1233128, 1565124, 1695551, 1849692, 2086832, 2466256, 3130248, 3391102, 3699384, 5086653, 6260496, 6782204, 7398768, 10173306, 13564408, 20346612, 27128816, 40693224, 81386448]

約数ペア:

[(1, 81386448), (2, 40693224), (3, 27128816), (4, 20346612), (6, 13564408), (8, 10173306), (11, 7398768), (12, 6782204), (13, 6260496), (16, 5086653), (22, 3699384), (24, 3391102), (26, 3130248), (33, 2466256), (39, 2086832), (44, 1849692), (48, 1695551), (52, 1565124), (66, 1233128), (71, 1146288), (78, 1043416), (88, 924846), (104, 782562), (132, 616564), (142, 573144), (143, 569136), (156, 521708), (167, 487344), (176, 462423), (208, 391281), (213, 382096), (264, 308282), (284, 286572), (286, 284568), (312, 260854), (334, 243672), (426, 191048), (429, 189712), (501, 162448), (528, 154141), (568, 143286), (572, 142284), (624, 130427), (668, 121836), (781, 104208), (852, 95524), (858, 94856), (923, 88176), (1002, 81224), (1136, 71643), (1144, 71142), (1336, 60918), (1562, 52104), (1704, 47762), (1716, 47428), (1837, 44304), (1846, 44088), (2004, 40612), (2171, 37488), (2288, 35571), (2343, 34736), (2672, 30459), (2769, 29392), (3124, 26052), (3408, 23881), (3432, 23714), (3674, 22152), (3692, 22044), (4008, 20306), (4342, 18744), (4686, 17368), (5511, 14768), (5538, 14696), (6248, 13026), (6513, 12496), (6864, 11857), (7348, 11076), (7384, 11022), (8016, 10153), (8684, 9372)]