261707976

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1483}}^1$

素因数の和:1560

約数の個数: 128

約数和(自身を含む): 783552000

約数和(自身を除く): 521844024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 43, 54, 57, 72, 76, 86, 108, 114, 129, 152, 171, 172, 216, 228, 258, 342, 344, 387, 456, 513, 516, 684, 774, 817, 1026, 1032, 1161, 1368, 1483, 1548, 1634, 2052, 2322, 2451, 2966, 3096, 3268, 4104, 4449, 4644, 4902, 5932, 6536, 7353, 8898, 9288, 9804, 11864, 13347, 14706, 17796, 19608, 22059, 26694, 28177, 29412, 35592, 40041, 44118, 53388, 56354, 58824, 63769, 80082, 84531, 88236, 106776, 112708, 127538, 160164, 169062, 176472, 191307, 225416, 253593, 255076, 320328, 338124, 382614, 507186, 510152, 573921, 676248, 760779, 765228, 1014372, 1147842, 1211611, 1521558, 1530456, 1721763, 2028744, 2295684, 2423222, 3043116, 3443526, 3634833, 4591368, 4846444, 6086232, 6887052, 7269666, 9692888, 10904499, 13774104, 14539332, 21808998, 29078664, 32713497, 43617996, 65426994, 87235992, 130853988, 261707976]

約数ペア:

[(1, 261707976), (2, 130853988), (3, 87235992), (4, 65426994), (6, 43617996), (8, 32713497), (9, 29078664), (12, 21808998), (18, 14539332), (19, 13774104), (24, 10904499), (27, 9692888), (36, 7269666), (38, 6887052), (43, 6086232), (54, 4846444), (57, 4591368), (72, 3634833), (76, 3443526), (86, 3043116), (108, 2423222), (114, 2295684), (129, 2028744), (152, 1721763), (171, 1530456), (172, 1521558), (216, 1211611), (228, 1147842), (258, 1014372), (342, 765228), (344, 760779), (387, 676248), (456, 573921), (513, 510152), (516, 507186), (684, 382614), (774, 338124), (817, 320328), (1026, 255076), (1032, 253593), (1161, 225416), (1368, 191307), (1483, 176472), (1548, 169062), (1634, 160164), (2052, 127538), (2322, 112708), (2451, 106776), (2966, 88236), (3096, 84531), (3268, 80082), (4104, 63769), (4449, 58824), (4644, 56354), (4902, 53388), (5932, 44118), (6536, 40041), (7353, 35592), (8898, 29412), (9288, 28177), (9804, 26694), (11864, 22059), (13347, 19608), (14706, 17796)]