30456440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 81874800

約数和(自身を除く): 51418360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 280, 287, 328, 379, 392, 410, 490, 574, 758, 820, 980, 1148, 1435, 1516, 1640, 1895, 1960, 2009, 2296, 2653, 2870, 3032, 3790, 4018, 5306, 5740, 7580, 8036, 10045, 10612, 11480, 13265, 15160, 15539, 16072, 18571, 20090, 21224, 26530, 31078, 37142, 40180, 53060, 62156, 74284, 77695, 80360, 92855, 106120, 108773, 124312, 148568, 155390, 185710, 217546, 310780, 371420, 435092, 543865, 621560, 742840, 761411, 870184, 1087730, 1522822, 2175460, 3045644, 3807055, 4350920, 6091288, 7614110, 15228220, 30456440]

約数ペア:

[(1, 30456440), (2, 15228220), (4, 7614110), (5, 6091288), (7, 4350920), (8, 3807055), (10, 3045644), (14, 2175460), (20, 1522822), (28, 1087730), (35, 870184), (40, 761411), (41, 742840), (49, 621560), (56, 543865), (70, 435092), (82, 371420), (98, 310780), (140, 217546), (164, 185710), (196, 155390), (205, 148568), (245, 124312), (280, 108773), (287, 106120), (328, 92855), (379, 80360), (392, 77695), (410, 74284), (490, 62156), (574, 53060), (758, 40180), (820, 37142), (980, 31078), (1148, 26530), (1435, 21224), (1516, 20090), (1640, 18571), (1895, 16072), (1960, 15539), (2009, 15160), (2296, 13265), (2653, 11480), (2870, 10612), (3032, 10045), (3790, 8036), (4018, 7580), (5306, 5740)]