771478680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19541}}^1$

素因数の和:19609

約数の個数: 128

約数和(自身を含む): 2701486080

約数和(自身を除く): 1930007400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2632, 2820, 3290, 3948, 4935, 5640, 6580, 7896, 9870, 13160, 19541, 19740, 39082, 39480, 58623, 78164, 97705, 117246, 136787, 156328, 195410, 234492, 273574, 293115, 390820, 410361, 468984, 547148, 586230, 683935, 781640, 820722, 918427, 1094296, 1172460, 1367870, 1641444, 1836854, 2051805, 2344920, 2735740, 2755281, 3282888, 3673708, 4103610, 4592135, 5471480, 5510562, 6428989, 7347416, 8207220, 9184270, 11021124, 12857978, 13776405, 16414440, 18368540, 19286967, 22042248, 25715956, 27552810, 32144945, 36737080, 38573934, 51431912, 55105620, 64289890, 77147868, 96434835, 110211240, 128579780, 154295736, 192869670, 257159560, 385739340, 771478680]

約数ペア:

[(1, 771478680), (2, 385739340), (3, 257159560), (4, 192869670), (5, 154295736), (6, 128579780), (7, 110211240), (8, 96434835), (10, 77147868), (12, 64289890), (14, 55105620), (15, 51431912), (20, 38573934), (21, 36737080), (24, 32144945), (28, 27552810), (30, 25715956), (35, 22042248), (40, 19286967), (42, 18368540), (47, 16414440), (56, 13776405), (60, 12857978), (70, 11021124), (84, 9184270), (94, 8207220), (105, 7347416), (120, 6428989), (140, 5510562), (141, 5471480), (168, 4592135), (188, 4103610), (210, 3673708), (235, 3282888), (280, 2755281), (282, 2735740), (329, 2344920), (376, 2051805), (420, 1836854), (470, 1641444), (564, 1367870), (658, 1172460), (705, 1094296), (840, 918427), (940, 820722), (987, 781640), (1128, 683935), (1316, 586230), (1410, 547148), (1645, 468984), (1880, 410361), (1974, 390820), (2632, 293115), (2820, 273574), (3290, 234492), (3948, 195410), (4935, 156328), (5640, 136787), (6580, 117246), (7896, 97705), (9870, 78164), (13160, 58623), (19541, 39480), (19740, 39082)]