81639864

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1$

素因数の和:585

約数の個数: 96

約数和(自身を含む): 231628800

約数和(自身を除く): 149988936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 79, 93, 124, 158, 186, 237, 248, 279, 316, 372, 463, 474, 558, 632, 711, 744, 926, 948, 1116, 1389, 1422, 1852, 1896, 2232, 2449, 2778, 2844, 3704, 4167, 4898, 5556, 5688, 7347, 8334, 9796, 11112, 14353, 14694, 16668, 19592, 22041, 28706, 29388, 33336, 36577, 43059, 44082, 57412, 58776, 73154, 86118, 88164, 109731, 114824, 129177, 146308, 172236, 176328, 219462, 258354, 292616, 329193, 344472, 438924, 516708, 658386, 877848, 1033416, 1133887, 1316772, 2267774, 2633544, 3401661, 4535548, 6803322, 9071096, 10204983, 13606644, 20409966, 27213288, 40819932, 81639864]

約数ペア:

[(1, 81639864), (2, 40819932), (3, 27213288), (4, 20409966), (6, 13606644), (8, 10204983), (9, 9071096), (12, 6803322), (18, 4535548), (24, 3401661), (31, 2633544), (36, 2267774), (62, 1316772), (72, 1133887), (79, 1033416), (93, 877848), (124, 658386), (158, 516708), (186, 438924), (237, 344472), (248, 329193), (279, 292616), (316, 258354), (372, 219462), (463, 176328), (474, 172236), (558, 146308), (632, 129177), (711, 114824), (744, 109731), (926, 88164), (948, 86118), (1116, 73154), (1389, 58776), (1422, 57412), (1852, 44082), (1896, 43059), (2232, 36577), (2449, 33336), (2778, 29388), (2844, 28706), (3704, 22041), (4167, 19592), (4898, 16668), (5556, 14694), (5688, 14353), (7347, 11112), (8334, 9796)]