157023440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1045

約数の個数: 120

約数和(自身を含む): 435487752

約数和(自身を除く): 278464312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 164, 196, 205, 245, 280, 287, 328, 392, 410, 490, 560, 574, 656, 784, 820, 977, 980, 1148, 1435, 1640, 1954, 1960, 2009, 2296, 2870, 3280, 3908, 3920, 4018, 4592, 4885, 5740, 6839, 7816, 8036, 9770, 10045, 11480, 13678, 15632, 16072, 19540, 20090, 22960, 27356, 32144, 34195, 39080, 40057, 40180, 47873, 54712, 68390, 78160, 80114, 80360, 95746, 109424, 136780, 160228, 160720, 191492, 200285, 239365, 273560, 280399, 320456, 382984, 400570, 478730, 547120, 560798, 640912, 765968, 801140, 957460, 1121596, 1401995, 1602280, 1914920, 1962793, 2243192, 2803990, 3204560, 3829840, 3925586, 4486384, 5607980, 7851172, 9813965, 11215960, 15702344, 19627930, 22431920, 31404688, 39255860, 78511720, 157023440]

約数ペア:

[(1, 157023440), (2, 78511720), (4, 39255860), (5, 31404688), (7, 22431920), (8, 19627930), (10, 15702344), (14, 11215960), (16, 9813965), (20, 7851172), (28, 5607980), (35, 4486384), (40, 3925586), (41, 3829840), (49, 3204560), (56, 2803990), (70, 2243192), (80, 1962793), (82, 1914920), (98, 1602280), (112, 1401995), (140, 1121596), (164, 957460), (196, 801140), (205, 765968), (245, 640912), (280, 560798), (287, 547120), (328, 478730), (392, 400570), (410, 382984), (490, 320456), (560, 280399), (574, 273560), (656, 239365), (784, 200285), (820, 191492), (977, 160720), (980, 160228), (1148, 136780), (1435, 109424), (1640, 95746), (1954, 80360), (1960, 80114), (2009, 78160), (2296, 68390), (2870, 54712), (3280, 47873), (3908, 40180), (3920, 40057), (4018, 39080), (4592, 34195), (4885, 32144), (5740, 27356), (6839, 22960), (7816, 20090), (8036, 19540), (9770, 16072), (10045, 15632), (11480, 13678)]