81261648

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:633

約数の個数: 120

約数和(自身を含む): 248338272

約数和(自身を除く): 167076624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 83, 104, 117, 144, 156, 166, 208, 234, 249, 312, 332, 468, 498, 523, 624, 664, 747, 936, 996, 1046, 1079, 1328, 1494, 1569, 1872, 1992, 2092, 2158, 2988, 3138, 3237, 3984, 4184, 4316, 4707, 5976, 6276, 6474, 6799, 8368, 8632, 9414, 9711, 11952, 12552, 12948, 13598, 17264, 18828, 19422, 20397, 25104, 25896, 27196, 37656, 38844, 40794, 43409, 51792, 54392, 61191, 75312, 77688, 81588, 86818, 108784, 122382, 130227, 155376, 163176, 173636, 244764, 260454, 326352, 347272, 390681, 489528, 520908, 564317, 694544, 781362, 979056, 1041816, 1128634, 1562724, 1692951, 2083632, 2257268, 3125448, 3385902, 4514536, 5078853, 6250896, 6771804, 9029072, 10157706, 13543608, 20315412, 27087216, 40630824, 81261648]

約数ペア:

[(1, 81261648), (2, 40630824), (3, 27087216), (4, 20315412), (6, 13543608), (8, 10157706), (9, 9029072), (12, 6771804), (13, 6250896), (16, 5078853), (18, 4514536), (24, 3385902), (26, 3125448), (36, 2257268), (39, 2083632), (48, 1692951), (52, 1562724), (72, 1128634), (78, 1041816), (83, 979056), (104, 781362), (117, 694544), (144, 564317), (156, 520908), (166, 489528), (208, 390681), (234, 347272), (249, 326352), (312, 260454), (332, 244764), (468, 173636), (498, 163176), (523, 155376), (624, 130227), (664, 122382), (747, 108784), (936, 86818), (996, 81588), (1046, 77688), (1079, 75312), (1328, 61191), (1494, 54392), (1569, 51792), (1872, 43409), (1992, 40794), (2092, 38844), (2158, 37656), (2988, 27196), (3138, 25896), (3237, 25104), (3984, 20397), (4184, 19422), (4316, 18828), (4707, 17264), (5976, 13598), (6276, 12948), (6474, 12552), (6799, 11952), (8368, 9711), (8632, 9414)]