820549320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1877}}^1\times {\mathrm{3643}}^1$

素因数の和:5534

約数の個数: 64

約数和(自身を含む): 2463635520

約数和(自身を除く): 1643086200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1877, 3643, 3754, 5631, 7286, 7508, 9385, 10929, 11262, 14572, 15016, 18215, 18770, 21858, 22524, 28155, 29144, 36430, 37540, 43716, 45048, 54645, 56310, 72860, 75080, 87432, 109290, 112620, 145720, 218580, 225240, 437160, 6837911, 13675822, 20513733, 27351644, 34189555, 41027466, 54703288, 68379110, 82054932, 102568665, 136758220, 164109864, 205137330, 273516440, 410274660, 820549320]

約数ペア:

[(1, 820549320), (2, 410274660), (3, 273516440), (4, 205137330), (5, 164109864), (6, 136758220), (8, 102568665), (10, 82054932), (12, 68379110), (15, 54703288), (20, 41027466), (24, 34189555), (30, 27351644), (40, 20513733), (60, 13675822), (120, 6837911), (1877, 437160), (3643, 225240), (3754, 218580), (5631, 145720), (7286, 112620), (7508, 109290), (9385, 87432), (10929, 75080), (11262, 72860), (14572, 56310), (15016, 54645), (18215, 45048), (18770, 43716), (21858, 37540), (22524, 36430), (28155, 29144)]