31312944

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 120

約数和(自身を含む): 96816720

約数和(自身を除く): 65503776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 43, 48, 52, 72, 78, 86, 104, 117, 129, 144, 156, 172, 208, 234, 258, 312, 344, 387, 389, 468, 516, 559, 624, 688, 774, 778, 936, 1032, 1118, 1167, 1548, 1556, 1677, 1872, 2064, 2236, 2334, 3096, 3112, 3354, 3501, 4472, 4668, 5031, 5057, 6192, 6224, 6708, 7002, 8944, 9336, 10062, 10114, 13416, 14004, 15171, 16727, 18672, 20124, 20228, 26832, 28008, 30342, 33454, 40248, 40456, 45513, 50181, 56016, 60684, 66908, 80496, 80912, 91026, 100362, 121368, 133816, 150543, 182052, 200724, 217451, 242736, 267632, 301086, 364104, 401448, 434902, 602172, 652353, 728208, 802896, 869804, 1204344, 1304706, 1739608, 1957059, 2408688, 2609412, 3479216, 3914118, 5218824, 7828236, 10437648, 15656472, 31312944]

約数ペア:

[(1, 31312944), (2, 15656472), (3, 10437648), (4, 7828236), (6, 5218824), (8, 3914118), (9, 3479216), (12, 2609412), (13, 2408688), (16, 1957059), (18, 1739608), (24, 1304706), (26, 1204344), (36, 869804), (39, 802896), (43, 728208), (48, 652353), (52, 602172), (72, 434902), (78, 401448), (86, 364104), (104, 301086), (117, 267632), (129, 242736), (144, 217451), (156, 200724), (172, 182052), (208, 150543), (234, 133816), (258, 121368), (312, 100362), (344, 91026), (387, 80912), (389, 80496), (468, 66908), (516, 60684), (559, 56016), (624, 50181), (688, 45513), (774, 40456), (778, 40248), (936, 33454), (1032, 30342), (1118, 28008), (1167, 26832), (1548, 20228), (1556, 20124), (1677, 18672), (1872, 16727), (2064, 15171), (2236, 14004), (2334, 13416), (3096, 10114), (3112, 10062), (3354, 9336), (3501, 8944), (4472, 7002), (4668, 6708), (5031, 6224), (5057, 6192)]