287907240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{141131}}^1$

素因数の和:141162

約数の個数: 64

約数和(自身を含む): 914535360

約数和(自身を除く): 626628120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 141131, 282262, 423393, 564524, 705655, 846786, 1129048, 1411310, 1693572, 2116965, 2399227, 2822620, 3387144, 4233930, 4798454, 5645240, 7197681, 8467860, 9596908, 11996135, 14395362, 16935720, 19193816, 23992270, 28790724, 35988405, 47984540, 57581448, 71976810, 95969080, 143953620, 287907240]

約数ペア:

[(1, 287907240), (2, 143953620), (3, 95969080), (4, 71976810), (5, 57581448), (6, 47984540), (8, 35988405), (10, 28790724), (12, 23992270), (15, 19193816), (17, 16935720), (20, 14395362), (24, 11996135), (30, 9596908), (34, 8467860), (40, 7197681), (51, 5645240), (60, 4798454), (68, 4233930), (85, 3387144), (102, 2822620), (120, 2399227), (136, 2116965), (170, 1693572), (204, 1411310), (255, 1129048), (340, 846786), (408, 705655), (510, 564524), (680, 423393), (1020, 282262), (2040, 141131)]