145631920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:507

約数の個数: 120

約数和(自身を含む): 398974464

約数和(自身を除く): 253342544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 97, 98, 112, 140, 194, 196, 245, 280, 383, 388, 392, 485, 490, 560, 679, 766, 776, 784, 970, 980, 1358, 1532, 1552, 1915, 1940, 1960, 2681, 2716, 3064, 3395, 3830, 3880, 3920, 4753, 5362, 5432, 6128, 6790, 7660, 7760, 9506, 10724, 10864, 13405, 13580, 15320, 18767, 19012, 21448, 23765, 26810, 27160, 30640, 37151, 37534, 38024, 42896, 47530, 53620, 54320, 74302, 75068, 76048, 93835, 95060, 107240, 148604, 150136, 185755, 187670, 190120, 214480, 260057, 297208, 300272, 371510, 375340, 380240, 520114, 594416, 743020, 750680, 1040228, 1300285, 1486040, 1501360, 1820399, 2080456, 2600570, 2972080, 3640798, 4160912, 5201140, 7281596, 9101995, 10402280, 14563192, 18203990, 20804560, 29126384, 36407980, 72815960, 145631920]

約数ペア:

[(1, 145631920), (2, 72815960), (4, 36407980), (5, 29126384), (7, 20804560), (8, 18203990), (10, 14563192), (14, 10402280), (16, 9101995), (20, 7281596), (28, 5201140), (35, 4160912), (40, 3640798), (49, 2972080), (56, 2600570), (70, 2080456), (80, 1820399), (97, 1501360), (98, 1486040), (112, 1300285), (140, 1040228), (194, 750680), (196, 743020), (245, 594416), (280, 520114), (383, 380240), (388, 375340), (392, 371510), (485, 300272), (490, 297208), (560, 260057), (679, 214480), (766, 190120), (776, 187670), (784, 185755), (970, 150136), (980, 148604), (1358, 107240), (1532, 95060), (1552, 93835), (1915, 76048), (1940, 75068), (1960, 74302), (2681, 54320), (2716, 53620), (3064, 47530), (3395, 42896), (3830, 38024), (3880, 37534), (3920, 37151), (4753, 30640), (5362, 27160), (5432, 26810), (6128, 23765), (6790, 21448), (7660, 19012), (7760, 18767), (9506, 15320), (10724, 13580), (10864, 13405)]