780390480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:461

約数の個数: 160

約数和(自身を含む): 2468592000

約数和(自身を除く): 1688201520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 149, 157, 240, 278, 298, 314, 417, 447, 471, 556, 596, 628, 695, 745, 785, 834, 894, 942, 1112, 1192, 1256, 1390, 1490, 1570, 1668, 1788, 1884, 2085, 2224, 2235, 2355, 2384, 2512, 2780, 2980, 3140, 3336, 3576, 3768, 4170, 4470, 4710, 5560, 5960, 6280, 6672, 7152, 7536, 8340, 8940, 9420, 11120, 11920, 12560, 16680, 17880, 18840, 20711, 21823, 23393, 33360, 35760, 37680, 41422, 43646, 46786, 62133, 65469, 70179, 82844, 87292, 93572, 103555, 109115, 116965, 124266, 130938, 140358, 165688, 174584, 187144, 207110, 218230, 233930, 248532, 261876, 280716, 310665, 327345, 331376, 349168, 350895, 374288, 414220, 436460, 467860, 497064, 523752, 561432, 621330, 654690, 701790, 828440, 872920, 935720, 994128, 1047504, 1122864, 1242660, 1309380, 1403580, 1656880, 1745840, 1871440, 2485320, 2618760, 2807160, 3251627, 4970640, 5237520, 5614320, 6503254, 9754881, 13006508, 16258135, 19509762, 26013016, 32516270, 39019524, 48774405, 52026032, 65032540, 78039048, 97548810, 130065080, 156078096, 195097620, 260130160, 390195240, 780390480]

約数ペア:

[(1, 780390480), (2, 390195240), (3, 260130160), (4, 195097620), (5, 156078096), (6, 130065080), (8, 97548810), (10, 78039048), (12, 65032540), (15, 52026032), (16, 48774405), (20, 39019524), (24, 32516270), (30, 26013016), (40, 19509762), (48, 16258135), (60, 13006508), (80, 9754881), (120, 6503254), (139, 5614320), (149, 5237520), (157, 4970640), (240, 3251627), (278, 2807160), (298, 2618760), (314, 2485320), (417, 1871440), (447, 1745840), (471, 1656880), (556, 1403580), (596, 1309380), (628, 1242660), (695, 1122864), (745, 1047504), (785, 994128), (834, 935720), (894, 872920), (942, 828440), (1112, 701790), (1192, 654690), (1256, 621330), (1390, 561432), (1490, 523752), (1570, 497064), (1668, 467860), (1788, 436460), (1884, 414220), (2085, 374288), (2224, 350895), (2235, 349168), (2355, 331376), (2384, 327345), (2512, 310665), (2780, 280716), (2980, 261876), (3140, 248532), (3336, 233930), (3576, 218230), (3768, 207110), (4170, 187144), (4470, 174584), (4710, 165688), (5560, 140358), (5960, 130938), (6280, 124266), (6672, 116965), (7152, 109115), (7536, 103555), (8340, 93572), (8940, 87292), (9420, 82844), (11120, 70179), (11920, 65469), (12560, 62133), (16680, 46786), (17880, 43646), (18840, 41422), (20711, 37680), (21823, 35760), (23393, 33360)]