278982720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:797

約数の個数: 168

約数和(自身を含む): 967261464

約数和(自身を除く): 688278744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 157, 160, 180, 192, 240, 288, 314, 320, 360, 471, 480, 576, 617, 628, 720, 785, 942, 960, 1234, 1256, 1413, 1440, 1570, 1851, 1884, 2355, 2468, 2512, 2826, 2880, 3085, 3140, 3702, 3768, 4710, 4936, 5024, 5553, 5652, 6170, 6280, 7065, 7404, 7536, 9255, 9420, 9872, 10048, 11106, 11304, 12340, 12560, 14130, 14808, 15072, 18510, 18840, 19744, 22212, 22608, 24680, 25120, 27765, 28260, 29616, 30144, 37020, 37680, 39488, 44424, 45216, 49360, 50240, 55530, 56520, 59232, 74040, 75360, 88848, 90432, 96869, 98720, 111060, 113040, 118464, 148080, 150720, 177696, 193738, 197440, 222120, 226080, 290607, 296160, 355392, 387476, 444240, 452160, 484345, 581214, 592320, 774952, 871821, 888480, 968690, 1162428, 1453035, 1549904, 1743642, 1776960, 1937380, 2324856, 2906070, 3099808, 3487284, 3874760, 4359105, 4649712, 5812140, 6199616, 6974568, 7749520, 8718210, 9299424, 11624280, 13949136, 15499040, 17436420, 18598848, 23248560, 27898272, 30998080, 34872840, 46497120, 55796544, 69745680, 92994240, 139491360, 278982720]

約数ペア:

[(1, 278982720), (2, 139491360), (3, 92994240), (4, 69745680), (5, 55796544), (6, 46497120), (8, 34872840), (9, 30998080), (10, 27898272), (12, 23248560), (15, 18598848), (16, 17436420), (18, 15499040), (20, 13949136), (24, 11624280), (30, 9299424), (32, 8718210), (36, 7749520), (40, 6974568), (45, 6199616), (48, 5812140), (60, 4649712), (64, 4359105), (72, 3874760), (80, 3487284), (90, 3099808), (96, 2906070), (120, 2324856), (144, 1937380), (157, 1776960), (160, 1743642), (180, 1549904), (192, 1453035), (240, 1162428), (288, 968690), (314, 888480), (320, 871821), (360, 774952), (471, 592320), (480, 581214), (576, 484345), (617, 452160), (628, 444240), (720, 387476), (785, 355392), (942, 296160), (960, 290607), (1234, 226080), (1256, 222120), (1413, 197440), (1440, 193738), (1570, 177696), (1851, 150720), (1884, 148080), (2355, 118464), (2468, 113040), (2512, 111060), (2826, 98720), (2880, 96869), (3085, 90432), (3140, 88848), (3702, 75360), (3768, 74040), (4710, 59232), (4936, 56520), (5024, 55530), (5553, 50240), (5652, 49360), (6170, 45216), (6280, 44424), (7065, 39488), (7404, 37680), (7536, 37020), (9255, 30144), (9420, 29616), (9872, 28260), (10048, 27765), (11106, 25120), (11304, 24680), (12340, 22608), (12560, 22212), (14130, 19744), (14808, 18840), (15072, 18510)]