678456960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{787}}^1$

素因数の和:1258

約数の個数: 128

約数和(自身を含む): 2170152000

約数和(自身を除く): 1491695040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 449, 480, 640, 787, 898, 960, 1347, 1574, 1796, 1920, 2245, 2361, 2694, 3148, 3592, 3935, 4490, 4722, 5388, 6296, 6735, 7184, 7870, 8980, 9444, 10776, 11805, 12592, 13470, 14368, 15740, 17960, 18888, 21552, 23610, 25184, 26940, 28736, 31480, 35920, 37776, 43104, 47220, 50368, 53880, 57472, 62960, 71840, 75552, 86208, 94440, 100736, 107760, 125920, 143680, 151104, 172416, 188880, 215520, 251840, 287360, 302208, 353363, 377760, 431040, 503680, 706726, 755520, 862080, 1060089, 1413452, 1511040, 1766815, 2120178, 2826904, 3533630, 4240356, 5300445, 5653808, 7067260, 8480712, 10600890, 11307616, 14134520, 16961424, 21201780, 22615232, 28269040, 33922848, 42403560, 45230464, 56538080, 67845696, 84807120, 113076160, 135691392, 169614240, 226152320, 339228480, 678456960]

約数ペア:

[(1, 678456960), (2, 339228480), (3, 226152320), (4, 169614240), (5, 135691392), (6, 113076160), (8, 84807120), (10, 67845696), (12, 56538080), (15, 45230464), (16, 42403560), (20, 33922848), (24, 28269040), (30, 22615232), (32, 21201780), (40, 16961424), (48, 14134520), (60, 11307616), (64, 10600890), (80, 8480712), (96, 7067260), (120, 5653808), (128, 5300445), (160, 4240356), (192, 3533630), (240, 2826904), (320, 2120178), (384, 1766815), (449, 1511040), (480, 1413452), (640, 1060089), (787, 862080), (898, 755520), (960, 706726), (1347, 503680), (1574, 431040), (1796, 377760), (1920, 353363), (2245, 302208), (2361, 287360), (2694, 251840), (3148, 215520), (3592, 188880), (3935, 172416), (4490, 151104), (4722, 143680), (5388, 125920), (6296, 107760), (6735, 100736), (7184, 94440), (7870, 86208), (8980, 75552), (9444, 71840), (10776, 62960), (11805, 57472), (12592, 53880), (13470, 50368), (14368, 47220), (15740, 43104), (17960, 37776), (18888, 35920), (21552, 31480), (23610, 28736), (25184, 26940)]