1390245840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:562

約数の個数: 240

約数和(自身を含む): 4859212800

約数和(自身を除く): 3468966960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 199, 240, 248, 279, 310, 313, 360, 372, 398, 465, 496, 558, 597, 620, 626, 720, 744, 796, 930, 939, 995, 1116, 1194, 1240, 1252, 1395, 1488, 1565, 1592, 1791, 1860, 1878, 1990, 2232, 2388, 2480, 2504, 2790, 2817, 2985, 3130, 3184, 3582, 3720, 3756, 3980, 4464, 4695, 4776, 5008, 5580, 5634, 5970, 6169, 6260, 7164, 7440, 7512, 7960, 8955, 9390, 9552, 9703, 11160, 11268, 11940, 12338, 12520, 14085, 14328, 15024, 15920, 17910, 18507, 18780, 19406, 22320, 22536, 23880, 24676, 25040, 28170, 28656, 29109, 30845, 35820, 37014, 37560, 38812, 45072, 47760, 48515, 49352, 55521, 56340, 58218, 61690, 62287, 71640, 74028, 75120, 77624, 87327, 92535, 97030, 98704, 111042, 112680, 116436, 123380, 124574, 143280, 145545, 148056, 155248, 174654, 185070, 186861, 194060, 222084, 225360, 232872, 246760, 249148, 277605, 291090, 296112, 311435, 349308, 370140, 373722, 388120, 436635, 444168, 465744, 493520, 498296, 555210, 560583, 582180, 622870, 698616, 740280, 747444, 776240, 873270, 888336, 934305, 996592, 1110420, 1121166, 1164360, 1245740, 1397232, 1480560, 1494888, 1746540, 1868610, 1930897, 2220840, 2242332, 2328720, 2491480, 2802915, 2989776, 3493080, 3737220, 3861794, 4441680, 4484664, 4982960, 5605830, 5792691, 6986160, 7474440, 7723588, 8969328, 9654485, 11211660, 11585382, 14948880, 15447176, 17378073, 19308970, 22423320, 23170764, 28963455, 30894352, 34756146, 38617940, 44846640, 46341528, 57926910, 69512292, 77235880, 86890365, 92683056, 115853820, 139024584, 154471760, 173780730, 231707640, 278049168, 347561460, 463415280, 695122920, 1390245840]

約数ペア:

[(1, 1390245840), (2, 695122920), (3, 463415280), (4, 347561460), (5, 278049168), (6, 231707640), (8, 173780730), (9, 154471760), (10, 139024584), (12, 115853820), (15, 92683056), (16, 86890365), (18, 77235880), (20, 69512292), (24, 57926910), (30, 46341528), (31, 44846640), (36, 38617940), (40, 34756146), (45, 30894352), (48, 28963455), (60, 23170764), (62, 22423320), (72, 19308970), (80, 17378073), (90, 15447176), (93, 14948880), (120, 11585382), (124, 11211660), (144, 9654485), (155, 8969328), (180, 7723588), (186, 7474440), (199, 6986160), (240, 5792691), (248, 5605830), (279, 4982960), (310, 4484664), (313, 4441680), (360, 3861794), (372, 3737220), (398, 3493080), (465, 2989776), (496, 2802915), (558, 2491480), (597, 2328720), (620, 2242332), (626, 2220840), (720, 1930897), (744, 1868610), (796, 1746540), (930, 1494888), (939, 1480560), (995, 1397232), (1116, 1245740), (1194, 1164360), (1240, 1121166), (1252, 1110420), (1395, 996592), (1488, 934305), (1565, 888336), (1592, 873270), (1791, 776240), (1860, 747444), (1878, 740280), (1990, 698616), (2232, 622870), (2388, 582180), (2480, 560583), (2504, 555210), (2790, 498296), (2817, 493520), (2985, 465744), (3130, 444168), (3184, 436635), (3582, 388120), (3720, 373722), (3756, 370140), (3980, 349308), (4464, 311435), (4695, 296112), (4776, 291090), (5008, 277605), (5580, 249148), (5634, 246760), (5970, 232872), (6169, 225360), (6260, 222084), (7164, 194060), (7440, 186861), (7512, 185070), (7960, 174654), (8955, 155248), (9390, 148056), (9552, 145545), (9703, 143280), (11160, 124574), (11268, 123380), (11940, 116436), (12338, 112680), (12520, 111042), (14085, 98704), (14328, 97030), (15024, 92535), (15920, 87327), (17910, 77624), (18507, 75120), (18780, 74028), (19406, 71640), (22320, 62287), (22536, 61690), (23880, 58218), (24676, 56340), (25040, 55521), (28170, 49352), (28656, 48515), (29109, 47760), (30845, 45072), (35820, 38812), (37014, 37560)]