878707920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^2\times {\mathrm{227}}^1$

素因数の和:497

約数の個数: 120

約数和(自身を含む): 2757707424

約数和(自身を除く): 1878999504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 227, 240, 254, 381, 454, 508, 635, 681, 762, 908, 1016, 1135, 1270, 1362, 1524, 1816, 1905, 2032, 2270, 2540, 2724, 3048, 3405, 3632, 3810, 4540, 5080, 5448, 6096, 6810, 7620, 9080, 10160, 10896, 13620, 15240, 16129, 18160, 27240, 28829, 30480, 32258, 48387, 54480, 57658, 64516, 80645, 86487, 96774, 115316, 129032, 144145, 161290, 172974, 193548, 230632, 241935, 258064, 288290, 322580, 345948, 387096, 432435, 461264, 483870, 576580, 645160, 691896, 774192, 864870, 967740, 1153160, 1290320, 1383792, 1729740, 1935480, 2306320, 3459480, 3661283, 3870960, 6918960, 7322566, 10983849, 14645132, 18306415, 21967698, 29290264, 36612830, 43935396, 54919245, 58580528, 73225660, 87870792, 109838490, 146451320, 175741584, 219676980, 292902640, 439353960, 878707920]

約数ペア:

[(1, 878707920), (2, 439353960), (3, 292902640), (4, 219676980), (5, 175741584), (6, 146451320), (8, 109838490), (10, 87870792), (12, 73225660), (15, 58580528), (16, 54919245), (20, 43935396), (24, 36612830), (30, 29290264), (40, 21967698), (48, 18306415), (60, 14645132), (80, 10983849), (120, 7322566), (127, 6918960), (227, 3870960), (240, 3661283), (254, 3459480), (381, 2306320), (454, 1935480), (508, 1729740), (635, 1383792), (681, 1290320), (762, 1153160), (908, 967740), (1016, 864870), (1135, 774192), (1270, 691896), (1362, 645160), (1524, 576580), (1816, 483870), (1905, 461264), (2032, 432435), (2270, 387096), (2540, 345948), (2724, 322580), (3048, 288290), (3405, 258064), (3632, 241935), (3810, 230632), (4540, 193548), (5080, 172974), (5448, 161290), (6096, 144145), (6810, 129032), (7620, 115316), (9080, 96774), (10160, 86487), (10896, 80645), (13620, 64516), (15240, 57658), (16129, 54480), (18160, 48387), (27240, 32258), (28829, 30480)]