253845760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:760

約数の個数: 144

約数和(自身を含む): 712881792

約数和(自身を除く): 459036032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 128, 140, 160, 164, 205, 224, 256, 280, 287, 320, 328, 410, 448, 560, 574, 640, 656, 691, 820, 896, 1120, 1148, 1280, 1312, 1382, 1435, 1640, 1792, 2240, 2296, 2624, 2764, 2870, 3280, 3455, 4480, 4592, 4837, 5248, 5528, 5740, 6560, 6910, 8960, 9184, 9674, 10496, 11056, 11480, 13120, 13820, 18368, 19348, 22112, 22960, 24185, 26240, 27640, 28331, 36736, 38696, 44224, 45920, 48370, 52480, 55280, 56662, 73472, 77392, 88448, 91840, 96740, 110560, 113324, 141655, 154784, 176896, 183680, 193480, 198317, 221120, 226648, 283310, 309568, 367360, 386960, 396634, 442240, 453296, 566620, 619136, 773920, 793268, 884480, 906592, 991585, 1133240, 1238272, 1547840, 1586536, 1813184, 1983170, 2266480, 3095680, 3173072, 3626368, 3966340, 4532960, 6191360, 6346144, 7252736, 7932680, 9065920, 12692288, 15865360, 18131840, 25384576, 31730720, 36263680, 50769152, 63461440, 126922880, 253845760]

約数ペア:

[(1, 253845760), (2, 126922880), (4, 63461440), (5, 50769152), (7, 36263680), (8, 31730720), (10, 25384576), (14, 18131840), (16, 15865360), (20, 12692288), (28, 9065920), (32, 7932680), (35, 7252736), (40, 6346144), (41, 6191360), (56, 4532960), (64, 3966340), (70, 3626368), (80, 3173072), (82, 3095680), (112, 2266480), (128, 1983170), (140, 1813184), (160, 1586536), (164, 1547840), (205, 1238272), (224, 1133240), (256, 991585), (280, 906592), (287, 884480), (320, 793268), (328, 773920), (410, 619136), (448, 566620), (560, 453296), (574, 442240), (640, 396634), (656, 386960), (691, 367360), (820, 309568), (896, 283310), (1120, 226648), (1148, 221120), (1280, 198317), (1312, 193480), (1382, 183680), (1435, 176896), (1640, 154784), (1792, 141655), (2240, 113324), (2296, 110560), (2624, 96740), (2764, 91840), (2870, 88448), (3280, 77392), (3455, 73472), (4480, 56662), (4592, 55280), (4837, 52480), (5248, 48370), (5528, 45920), (5740, 44224), (6560, 38696), (6910, 36736), (8960, 28331), (9184, 27640), (9674, 26240), (10496, 24185), (11056, 22960), (11480, 22112), (13120, 19348), (13820, 18368)]