78551280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1479

約数の個数: 120

約数和(自身を含む): 267334080

約数和(自身を除く): 188782800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1381, 1422, 1580, 1896, 2370, 2762, 2844, 3160, 3555, 3792, 4143, 4740, 5524, 5688, 6320, 6905, 7110, 8286, 9480, 11048, 11376, 12429, 13810, 14220, 16572, 18960, 20715, 22096, 24858, 27620, 28440, 33144, 41430, 49716, 55240, 56880, 62145, 66288, 82860, 99432, 109099, 110480, 124290, 165720, 198864, 218198, 248580, 327297, 331440, 436396, 497160, 545495, 654594, 872792, 981891, 994320, 1090990, 1309188, 1636485, 1745584, 1963782, 2181980, 2618376, 3272970, 3927564, 4363960, 4909455, 5236752, 6545940, 7855128, 8727920, 9818910, 13091880, 15710256, 19637820, 26183760, 39275640, 78551280]

約数ペア:

[(1, 78551280), (2, 39275640), (3, 26183760), (4, 19637820), (5, 15710256), (6, 13091880), (8, 9818910), (9, 8727920), (10, 7855128), (12, 6545940), (15, 5236752), (16, 4909455), (18, 4363960), (20, 3927564), (24, 3272970), (30, 2618376), (36, 2181980), (40, 1963782), (45, 1745584), (48, 1636485), (60, 1309188), (72, 1090990), (79, 994320), (80, 981891), (90, 872792), (120, 654594), (144, 545495), (158, 497160), (180, 436396), (237, 331440), (240, 327297), (316, 248580), (360, 218198), (395, 198864), (474, 165720), (632, 124290), (711, 110480), (720, 109099), (790, 99432), (948, 82860), (1185, 66288), (1264, 62145), (1381, 56880), (1422, 55240), (1580, 49716), (1896, 41430), (2370, 33144), (2762, 28440), (2844, 27620), (3160, 24858), (3555, 22096), (3792, 20715), (4143, 18960), (4740, 16572), (5524, 14220), (5688, 13810), (6320, 12429), (6905, 11376), (7110, 11048), (8286, 9480)]