280491840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{337}}^1$

素因数の和:394

約数の個数: 252

約数和(自身を含む): 1027905996

約数和(自身を除く): 747414156

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 289, 306, 320, 337, 340, 360, 408, 480, 510, 544, 576, 578, 612, 674, 680, 720, 765, 816, 867, 960, 1011, 1020, 1088, 1156, 1224, 1348, 1360, 1440, 1445, 1530, 1632, 1685, 1734, 2022, 2040, 2312, 2448, 2601, 2696, 2720, 2880, 2890, 3033, 3060, 3264, 3370, 3468, 4044, 4080, 4335, 4624, 4896, 5055, 5202, 5392, 5440, 5729, 5780, 6066, 6120, 6740, 6936, 8088, 8160, 8670, 9248, 9792, 10110, 10404, 10784, 11458, 11560, 12132, 12240, 13005, 13480, 13872, 15165, 16176, 16320, 17187, 17340, 18496, 20220, 20808, 21568, 22916, 23120, 24264, 24480, 26010, 26960, 27744, 28645, 30330, 32352, 34374, 34680, 40440, 41616, 45832, 46240, 48528, 48960, 51561, 52020, 53920, 55488, 57290, 60660, 64704, 68748, 69360, 80880, 83232, 85935, 91664, 92480, 97056, 97393, 103122, 104040, 107840, 114580, 121320, 137496, 138720, 161760, 166464, 171870, 183328, 194112, 194786, 206244, 208080, 229160, 242640, 257805, 274992, 277440, 292179, 323520, 343740, 366656, 389572, 412488, 416160, 458320, 485280, 486965, 515610, 549984, 584358, 687480, 779144, 824976, 832320, 876537, 916640, 970560, 973930, 1031220, 1099968, 1168716, 1374960, 1460895, 1558288, 1649952, 1753074, 1833280, 1947860, 2062440, 2337432, 2749920, 2921790, 3116576, 3299904, 3506148, 3895720, 4124880, 4382685, 4674864, 5499840, 5843580, 6233152, 7012296, 7791440, 8249760, 8765370, 9349728, 11687160, 14024592, 15582880, 16499520, 17530740, 18699456, 23374320, 28049184, 31165760, 35061480, 46748640, 56098368, 70122960, 93497280, 140245920, 280491840]

約数ペア:

[(1, 280491840), (2, 140245920), (3, 93497280), (4, 70122960), (5, 56098368), (6, 46748640), (8, 35061480), (9, 31165760), (10, 28049184), (12, 23374320), (15, 18699456), (16, 17530740), (17, 16499520), (18, 15582880), (20, 14024592), (24, 11687160), (30, 9349728), (32, 8765370), (34, 8249760), (36, 7791440), (40, 7012296), (45, 6233152), (48, 5843580), (51, 5499840), (60, 4674864), (64, 4382685), (68, 4124880), (72, 3895720), (80, 3506148), (85, 3299904), (90, 3116576), (96, 2921790), (102, 2749920), (120, 2337432), (136, 2062440), (144, 1947860), (153, 1833280), (160, 1753074), (170, 1649952), (180, 1558288), (192, 1460895), (204, 1374960), (240, 1168716), (255, 1099968), (272, 1031220), (288, 973930), (289, 970560), (306, 916640), (320, 876537), (337, 832320), (340, 824976), (360, 779144), (408, 687480), (480, 584358), (510, 549984), (544, 515610), (576, 486965), (578, 485280), (612, 458320), (674, 416160), (680, 412488), (720, 389572), (765, 366656), (816, 343740), (867, 323520), (960, 292179), (1011, 277440), (1020, 274992), (1088, 257805), (1156, 242640), (1224, 229160), (1348, 208080), (1360, 206244), (1440, 194786), (1445, 194112), (1530, 183328), (1632, 171870), (1685, 166464), (1734, 161760), (2022, 138720), (2040, 137496), (2312, 121320), (2448, 114580), (2601, 107840), (2696, 104040), (2720, 103122), (2880, 97393), (2890, 97056), (3033, 92480), (3060, 91664), (3264, 85935), (3370, 83232), (3468, 80880), (4044, 69360), (4080, 68748), (4335, 64704), (4624, 60660), (4896, 57290), (5055, 55488), (5202, 53920), (5392, 52020), (5440, 51561), (5729, 48960), (5780, 48528), (6066, 46240), (6120, 45832), (6740, 41616), (6936, 40440), (8088, 34680), (8160, 34374), (8670, 32352), (9248, 30330), (9792, 28645), (10110, 27744), (10404, 26960), (10784, 26010), (11458, 24480), (11560, 24264), (12132, 23120), (12240, 22916), (13005, 21568), (13480, 20808), (13872, 20220), (15165, 18496), (16176, 17340), (16320, 17187)]