78557040

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{449}}^1$

素因数の和:483

約数の個数: 160

約数和(自身を含む): 274536000

約数和(自身を除く): 195978960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 449, 486, 540, 648, 720, 729, 810, 898, 972, 1080, 1215, 1296, 1347, 1458, 1620, 1796, 1944, 2160, 2187, 2245, 2430, 2694, 2916, 3240, 3592, 3645, 3888, 4041, 4374, 4490, 4860, 5388, 5832, 6480, 6735, 7184, 7290, 8082, 8748, 8980, 9720, 10776, 10935, 11664, 12123, 13470, 14580, 16164, 17496, 17960, 19440, 20205, 21552, 21870, 24246, 26940, 29160, 32328, 34992, 35920, 36369, 40410, 43740, 48492, 53880, 58320, 60615, 64656, 72738, 80820, 87480, 96984, 107760, 109107, 121230, 145476, 161640, 174960, 181845, 193968, 218214, 242460, 290952, 323280, 327321, 363690, 436428, 484920, 545535, 581904, 654642, 727380, 872856, 969840, 981963, 1091070, 1309284, 1454760, 1636605, 1745712, 1963926, 2182140, 2618568, 2909520, 3273210, 3927852, 4364280, 4909815, 5237136, 6546420, 7855704, 8728560, 9819630, 13092840, 15711408, 19639260, 26185680, 39278520, 78557040]

約数ペア:

[(1, 78557040), (2, 39278520), (3, 26185680), (4, 19639260), (5, 15711408), (6, 13092840), (8, 9819630), (9, 8728560), (10, 7855704), (12, 6546420), (15, 5237136), (16, 4909815), (18, 4364280), (20, 3927852), (24, 3273210), (27, 2909520), (30, 2618568), (36, 2182140), (40, 1963926), (45, 1745712), (48, 1636605), (54, 1454760), (60, 1309284), (72, 1091070), (80, 981963), (81, 969840), (90, 872856), (108, 727380), (120, 654642), (135, 581904), (144, 545535), (162, 484920), (180, 436428), (216, 363690), (240, 327321), (243, 323280), (270, 290952), (324, 242460), (360, 218214), (405, 193968), (432, 181845), (449, 174960), (486, 161640), (540, 145476), (648, 121230), (720, 109107), (729, 107760), (810, 96984), (898, 87480), (972, 80820), (1080, 72738), (1215, 64656), (1296, 60615), (1347, 58320), (1458, 53880), (1620, 48492), (1796, 43740), (1944, 40410), (2160, 36369), (2187, 35920), (2245, 34992), (2430, 32328), (2694, 29160), (2916, 26940), (3240, 24246), (3592, 21870), (3645, 21552), (3888, 20205), (4041, 19440), (4374, 17960), (4490, 17496), (4860, 16164), (5388, 14580), (5832, 13470), (6480, 12123), (6735, 11664), (7184, 10935), (7290, 10776), (8082, 9720), (8748, 8980)]