165865560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{521}}^1$

素因数の和:921

約数の個数: 128

約数和(自身を含む): 571276800

約数和(自身を除く): 405411240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 379, 420, 521, 758, 840, 1042, 1137, 1516, 1563, 1895, 2084, 2274, 2605, 2653, 3032, 3126, 3647, 3790, 4168, 4548, 5210, 5306, 5685, 6252, 7294, 7580, 7815, 7959, 9096, 10420, 10612, 10941, 11370, 12504, 13265, 14588, 15160, 15630, 15918, 18235, 20840, 21224, 21882, 22740, 26530, 29176, 31260, 31836, 36470, 39795, 43764, 45480, 53060, 54705, 62520, 63672, 72940, 79590, 87528, 106120, 109410, 145880, 159180, 197459, 218820, 318360, 394918, 437640, 592377, 789836, 987295, 1184754, 1382213, 1579672, 1974590, 2369508, 2764426, 2961885, 3949180, 4146639, 4739016, 5528852, 5923770, 6911065, 7898360, 8293278, 11057704, 11847540, 13822130, 16586556, 20733195, 23695080, 27644260, 33173112, 41466390, 55288520, 82932780, 165865560]

約数ペア:

[(1, 165865560), (2, 82932780), (3, 55288520), (4, 41466390), (5, 33173112), (6, 27644260), (7, 23695080), (8, 20733195), (10, 16586556), (12, 13822130), (14, 11847540), (15, 11057704), (20, 8293278), (21, 7898360), (24, 6911065), (28, 5923770), (30, 5528852), (35, 4739016), (40, 4146639), (42, 3949180), (56, 2961885), (60, 2764426), (70, 2369508), (84, 1974590), (105, 1579672), (120, 1382213), (140, 1184754), (168, 987295), (210, 789836), (280, 592377), (379, 437640), (420, 394918), (521, 318360), (758, 218820), (840, 197459), (1042, 159180), (1137, 145880), (1516, 109410), (1563, 106120), (1895, 87528), (2084, 79590), (2274, 72940), (2605, 63672), (2653, 62520), (3032, 54705), (3126, 53060), (3647, 45480), (3790, 43764), (4168, 39795), (4548, 36470), (5210, 31836), (5306, 31260), (5685, 29176), (6252, 26530), (7294, 22740), (7580, 21882), (7815, 21224), (7959, 20840), (9096, 18235), (10420, 15918), (10612, 15630), (10941, 15160), (11370, 14588), (12504, 13265)]