280635320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 256

約数和(自身を含む): 839808000

約数和(自身を除く): 559172680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 29, 34, 35, 38, 40, 56, 58, 68, 70, 76, 85, 95, 107, 116, 119, 133, 136, 140, 145, 152, 170, 190, 203, 214, 232, 238, 266, 280, 290, 323, 340, 380, 406, 428, 476, 493, 532, 535, 551, 580, 595, 646, 665, 680, 749, 760, 812, 856, 952, 986, 1015, 1064, 1070, 1102, 1160, 1190, 1292, 1330, 1498, 1615, 1624, 1819, 1972, 2030, 2033, 2140, 2204, 2261, 2380, 2465, 2584, 2660, 2755, 2996, 3103, 3230, 3451, 3638, 3745, 3857, 3944, 4060, 4066, 4280, 4408, 4522, 4760, 4930, 5320, 5510, 5992, 6206, 6460, 6902, 7276, 7490, 7714, 8120, 8132, 9044, 9095, 9367, 9860, 10165, 11020, 11305, 12412, 12733, 12920, 13804, 14231, 14552, 14980, 15428, 15515, 16264, 17255, 18088, 18190, 18734, 19285, 19720, 20330, 21721, 22040, 22610, 24824, 25466, 27608, 28462, 29960, 30856, 31030, 34510, 34561, 36380, 37468, 38570, 40660, 43442, 45220, 46835, 50932, 52751, 56924, 58957, 62060, 63665, 65569, 69020, 69122, 71155, 72760, 74936, 77140, 81320, 86884, 90440, 93670, 101864, 105502, 108605, 113848, 117914, 124120, 127330, 131138, 138040, 138244, 142310, 154280, 172805, 173768, 187340, 211004, 217210, 235828, 241927, 254660, 262276, 263755, 276488, 284620, 294785, 327845, 345610, 369257, 374680, 412699, 422008, 434420, 471656, 483854, 509320, 524552, 527510, 569240, 589570, 655690, 691220, 738514, 825398, 868840, 967708, 1002269, 1055020, 1179140, 1209635, 1311380, 1382440, 1477028, 1650796, 1846285, 1935416, 2004538, 2063495, 2110040, 2358280, 2419270, 2622760, 2954056, 3301592, 3692570, 4009076, 4126990, 4838540, 5011345, 7015883, 7385140, 8018152, 8253980, 9677080, 10022690, 14031766, 14770280, 16507960, 20045380, 28063532, 35079415, 40090760, 56127064, 70158830, 140317660, 280635320]

約数ペア:

[(1, 280635320), (2, 140317660), (4, 70158830), (5, 56127064), (7, 40090760), (8, 35079415), (10, 28063532), (14, 20045380), (17, 16507960), (19, 14770280), (20, 14031766), (28, 10022690), (29, 9677080), (34, 8253980), (35, 8018152), (38, 7385140), (40, 7015883), (56, 5011345), (58, 4838540), (68, 4126990), (70, 4009076), (76, 3692570), (85, 3301592), (95, 2954056), (107, 2622760), (116, 2419270), (119, 2358280), (133, 2110040), (136, 2063495), (140, 2004538), (145, 1935416), (152, 1846285), (170, 1650796), (190, 1477028), (203, 1382440), (214, 1311380), (232, 1209635), (238, 1179140), (266, 1055020), (280, 1002269), (290, 967708), (323, 868840), (340, 825398), (380, 738514), (406, 691220), (428, 655690), (476, 589570), (493, 569240), (532, 527510), (535, 524552), (551, 509320), (580, 483854), (595, 471656), (646, 434420), (665, 422008), (680, 412699), (749, 374680), (760, 369257), (812, 345610), (856, 327845), (952, 294785), (986, 284620), (1015, 276488), (1064, 263755), (1070, 262276), (1102, 254660), (1160, 241927), (1190, 235828), (1292, 217210), (1330, 211004), (1498, 187340), (1615, 173768), (1624, 172805), (1819, 154280), (1972, 142310), (2030, 138244), (2033, 138040), (2140, 131138), (2204, 127330), (2261, 124120), (2380, 117914), (2465, 113848), (2584, 108605), (2660, 105502), (2755, 101864), (2996, 93670), (3103, 90440), (3230, 86884), (3451, 81320), (3638, 77140), (3745, 74936), (3857, 72760), (3944, 71155), (4060, 69122), (4066, 69020), (4280, 65569), (4408, 63665), (4522, 62060), (4760, 58957), (4930, 56924), (5320, 52751), (5510, 50932), (5992, 46835), (6206, 45220), (6460, 43442), (6902, 40660), (7276, 38570), (7490, 37468), (7714, 36380), (8120, 34561), (8132, 34510), (9044, 31030), (9095, 30856), (9367, 29960), (9860, 28462), (10165, 27608), (11020, 25466), (11305, 24824), (12412, 22610), (12733, 22040), (12920, 21721), (13804, 20330), (14231, 19720), (14552, 19285), (14980, 18734), (15428, 18190), (15515, 18088), (16264, 17255)]