180864880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:136

約数の個数: 240

約数和(自身を含む): 531796320

約数和(自身を除く): 350931440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 37, 40, 43, 49, 56, 58, 70, 74, 80, 86, 98, 112, 116, 140, 145, 148, 172, 185, 196, 203, 215, 232, 245, 259, 280, 290, 296, 301, 344, 370, 392, 406, 430, 464, 490, 518, 560, 580, 592, 602, 688, 740, 784, 812, 860, 980, 1015, 1036, 1073, 1160, 1204, 1247, 1295, 1421, 1480, 1505, 1591, 1624, 1720, 1813, 1960, 2030, 2072, 2107, 2146, 2320, 2408, 2494, 2590, 2842, 2960, 3010, 3182, 3248, 3440, 3626, 3920, 4060, 4144, 4214, 4292, 4816, 4988, 5180, 5365, 5684, 6020, 6235, 6364, 7105, 7252, 7511, 7955, 8120, 8428, 8584, 8729, 9065, 9976, 10360, 10535, 10730, 11137, 11368, 12040, 12470, 12728, 14210, 14504, 15022, 15910, 16240, 16856, 17168, 17458, 18130, 19952, 20720, 21070, 21460, 22274, 22736, 24080, 24940, 25456, 28420, 29008, 30044, 31820, 33712, 34916, 36260, 37555, 42140, 42920, 43645, 44548, 46139, 49880, 52577, 55685, 56840, 60088, 61103, 63640, 69832, 72520, 75110, 77959, 84280, 85840, 87290, 89096, 92278, 99760, 105154, 111370, 113680, 120176, 122206, 127280, 139664, 145040, 150220, 155918, 168560, 174580, 178192, 184556, 210308, 222740, 230695, 244412, 262885, 300440, 305515, 311836, 322973, 349160, 369112, 389795, 420616, 445480, 461390, 488824, 525770, 600880, 611030, 623672, 645946, 698320, 738224, 779590, 841232, 890960, 922780, 977648, 1051540, 1222060, 1247344, 1291892, 1559180, 1614865, 1845560, 2103080, 2260811, 2444120, 2583784, 3118360, 3229730, 3691120, 4206160, 4521622, 4888240, 5167568, 6236720, 6459460, 9043244, 11304055, 12918920, 18086488, 22608110, 25837840, 36172976, 45216220, 90432440, 180864880]

約数ペア:

[(1, 180864880), (2, 90432440), (4, 45216220), (5, 36172976), (7, 25837840), (8, 22608110), (10, 18086488), (14, 12918920), (16, 11304055), (20, 9043244), (28, 6459460), (29, 6236720), (35, 5167568), (37, 4888240), (40, 4521622), (43, 4206160), (49, 3691120), (56, 3229730), (58, 3118360), (70, 2583784), (74, 2444120), (80, 2260811), (86, 2103080), (98, 1845560), (112, 1614865), (116, 1559180), (140, 1291892), (145, 1247344), (148, 1222060), (172, 1051540), (185, 977648), (196, 922780), (203, 890960), (215, 841232), (232, 779590), (245, 738224), (259, 698320), (280, 645946), (290, 623672), (296, 611030), (301, 600880), (344, 525770), (370, 488824), (392, 461390), (406, 445480), (430, 420616), (464, 389795), (490, 369112), (518, 349160), (560, 322973), (580, 311836), (592, 305515), (602, 300440), (688, 262885), (740, 244412), (784, 230695), (812, 222740), (860, 210308), (980, 184556), (1015, 178192), (1036, 174580), (1073, 168560), (1160, 155918), (1204, 150220), (1247, 145040), (1295, 139664), (1421, 127280), (1480, 122206), (1505, 120176), (1591, 113680), (1624, 111370), (1720, 105154), (1813, 99760), (1960, 92278), (2030, 89096), (2072, 87290), (2107, 85840), (2146, 84280), (2320, 77959), (2408, 75110), (2494, 72520), (2590, 69832), (2842, 63640), (2960, 61103), (3010, 60088), (3182, 56840), (3248, 55685), (3440, 52577), (3626, 49880), (3920, 46139), (4060, 44548), (4144, 43645), (4214, 42920), (4292, 42140), (4816, 37555), (4988, 36260), (5180, 34916), (5365, 33712), (5684, 31820), (6020, 30044), (6235, 29008), (6364, 28420), (7105, 25456), (7252, 24940), (7511, 24080), (7955, 22736), (8120, 22274), (8428, 21460), (8584, 21070), (8729, 20720), (9065, 19952), (9976, 18130), (10360, 17458), (10535, 17168), (10730, 16856), (11137, 16240), (11368, 15910), (12040, 15022), (12470, 14504), (12728, 14210)]