280499760

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:382

約数の個数: 240

約数和(自身を含む): 1000935936

約数和(自身を除く): 720436176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 72, 80, 81, 90, 94, 108, 120, 135, 141, 144, 162, 180, 188, 216, 235, 240, 243, 270, 282, 307, 324, 360, 376, 405, 423, 432, 470, 486, 540, 564, 614, 648, 705, 720, 752, 810, 846, 921, 940, 972, 1080, 1128, 1215, 1228, 1269, 1296, 1410, 1535, 1620, 1692, 1842, 1880, 1944, 2115, 2160, 2256, 2430, 2456, 2538, 2763, 2820, 3070, 3240, 3384, 3684, 3760, 3807, 3888, 4230, 4605, 4860, 4912, 5076, 5526, 5640, 6140, 6345, 6480, 6768, 7368, 7614, 8289, 8460, 9210, 9720, 10152, 11052, 11280, 11421, 12280, 12690, 13815, 14429, 14736, 15228, 16578, 16920, 18420, 19035, 19440, 20304, 22104, 22842, 24560, 24867, 25380, 27630, 28858, 30456, 33156, 33840, 36840, 38070, 41445, 43287, 44208, 45684, 49734, 50760, 55260, 57105, 57716, 60912, 66312, 72145, 73680, 74601, 76140, 82890, 86574, 91368, 99468, 101520, 110520, 114210, 115432, 124335, 129861, 132624, 144290, 149202, 152280, 165780, 173148, 182736, 198936, 216435, 221040, 228420, 230864, 248670, 259722, 288580, 298404, 304560, 331560, 346296, 373005, 389583, 397872, 432870, 456840, 497340, 519444, 577160, 596808, 649305, 663120, 692592, 746010, 779166, 865740, 913680, 994680, 1038888, 1154320, 1168749, 1193616, 1298610, 1492020, 1558332, 1731480, 1947915, 1989360, 2077776, 2337498, 2597220, 2984040, 3116664, 3462960, 3506247, 3895830, 4674996, 5194440, 5843745, 5968080, 6233328, 7012494, 7791660, 9349992, 10388880, 11687490, 14024988, 15583320, 17531235, 18699984, 23374980, 28049976, 31166640, 35062470, 46749960, 56099952, 70124940, 93499920, 140249880, 280499760]

約数ペア:

[(1, 280499760), (2, 140249880), (3, 93499920), (4, 70124940), (5, 56099952), (6, 46749960), (8, 35062470), (9, 31166640), (10, 28049976), (12, 23374980), (15, 18699984), (16, 17531235), (18, 15583320), (20, 14024988), (24, 11687490), (27, 10388880), (30, 9349992), (36, 7791660), (40, 7012494), (45, 6233328), (47, 5968080), (48, 5843745), (54, 5194440), (60, 4674996), (72, 3895830), (80, 3506247), (81, 3462960), (90, 3116664), (94, 2984040), (108, 2597220), (120, 2337498), (135, 2077776), (141, 1989360), (144, 1947915), (162, 1731480), (180, 1558332), (188, 1492020), (216, 1298610), (235, 1193616), (240, 1168749), (243, 1154320), (270, 1038888), (282, 994680), (307, 913680), (324, 865740), (360, 779166), (376, 746010), (405, 692592), (423, 663120), (432, 649305), (470, 596808), (486, 577160), (540, 519444), (564, 497340), (614, 456840), (648, 432870), (705, 397872), (720, 389583), (752, 373005), (810, 346296), (846, 331560), (921, 304560), (940, 298404), (972, 288580), (1080, 259722), (1128, 248670), (1215, 230864), (1228, 228420), (1269, 221040), (1296, 216435), (1410, 198936), (1535, 182736), (1620, 173148), (1692, 165780), (1842, 152280), (1880, 149202), (1944, 144290), (2115, 132624), (2160, 129861), (2256, 124335), (2430, 115432), (2456, 114210), (2538, 110520), (2763, 101520), (2820, 99468), (3070, 91368), (3240, 86574), (3384, 82890), (3684, 76140), (3760, 74601), (3807, 73680), (3888, 72145), (4230, 66312), (4605, 60912), (4860, 57716), (4912, 57105), (5076, 55260), (5526, 50760), (5640, 49734), (6140, 45684), (6345, 44208), (6480, 43287), (6768, 41445), (7368, 38070), (7614, 36840), (8289, 33840), (8460, 33156), (9210, 30456), (9720, 28858), (10152, 27630), (11052, 25380), (11280, 24867), (11421, 24560), (12280, 22842), (12690, 22104), (13815, 20304), (14429, 19440), (14736, 19035), (15228, 18420), (16578, 16920)]