857399640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:849

約数の個数: 128

約数和(自身を含む): 2626560000

約数和(自身を除く): 1769160360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 149, 158, 237, 298, 316, 395, 447, 474, 596, 607, 632, 745, 790, 894, 948, 1185, 1192, 1214, 1490, 1580, 1788, 1821, 1896, 2235, 2370, 2428, 2980, 3035, 3160, 3576, 3642, 4470, 4740, 4856, 5960, 6070, 7284, 8940, 9105, 9480, 11771, 12140, 14568, 17880, 18210, 23542, 24280, 35313, 36420, 47084, 47953, 58855, 70626, 72840, 90443, 94168, 95906, 117710, 141252, 143859, 176565, 180886, 191812, 235420, 239765, 271329, 282504, 287718, 353130, 361772, 383624, 452215, 470840, 479530, 542658, 575436, 706260, 719295, 723544, 904430, 959060, 1085316, 1150872, 1356645, 1412520, 1438590, 1808860, 1918120, 2170632, 2713290, 2877180, 3617720, 5426580, 5754360, 7144997, 10853160, 14289994, 21434991, 28579988, 35724985, 42869982, 57159976, 71449970, 85739964, 107174955, 142899940, 171479928, 214349910, 285799880, 428699820, 857399640]

約数ペア:

[(1, 857399640), (2, 428699820), (3, 285799880), (4, 214349910), (5, 171479928), (6, 142899940), (8, 107174955), (10, 85739964), (12, 71449970), (15, 57159976), (20, 42869982), (24, 35724985), (30, 28579988), (40, 21434991), (60, 14289994), (79, 10853160), (120, 7144997), (149, 5754360), (158, 5426580), (237, 3617720), (298, 2877180), (316, 2713290), (395, 2170632), (447, 1918120), (474, 1808860), (596, 1438590), (607, 1412520), (632, 1356645), (745, 1150872), (790, 1085316), (894, 959060), (948, 904430), (1185, 723544), (1192, 719295), (1214, 706260), (1490, 575436), (1580, 542658), (1788, 479530), (1821, 470840), (1896, 452215), (2235, 383624), (2370, 361772), (2428, 353130), (2980, 287718), (3035, 282504), (3160, 271329), (3576, 239765), (3642, 235420), (4470, 191812), (4740, 180886), (4856, 176565), (5960, 143859), (6070, 141252), (7284, 117710), (8940, 95906), (9105, 94168), (9480, 90443), (11771, 72840), (12140, 70626), (14568, 58855), (17880, 47953), (18210, 47084), (23542, 36420), (24280, 35313)]