258492720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56687}}^1$

素因数の和:56722

約数の個数: 80

約数和(自身を含む): 843517440

約数和(自身を除く): 585024720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 56687, 113374, 170061, 226748, 283435, 340122, 453496, 566870, 680244, 850305, 906992, 1077053, 1133740, 1360488, 1700610, 2154106, 2267480, 2720976, 3231159, 3401220, 4308212, 4534960, 5385265, 6462318, 6802440, 8616424, 10770530, 12924636, 13604880, 16155795, 17232848, 21541060, 25849272, 32311590, 43082120, 51698544, 64623180, 86164240, 129246360, 258492720]

約数ペア:

[(1, 258492720), (2, 129246360), (3, 86164240), (4, 64623180), (5, 51698544), (6, 43082120), (8, 32311590), (10, 25849272), (12, 21541060), (15, 17232848), (16, 16155795), (19, 13604880), (20, 12924636), (24, 10770530), (30, 8616424), (38, 6802440), (40, 6462318), (48, 5385265), (57, 4534960), (60, 4308212), (76, 3401220), (80, 3231159), (95, 2720976), (114, 2267480), (120, 2154106), (152, 1700610), (190, 1360488), (228, 1133740), (240, 1077053), (285, 906992), (304, 850305), (380, 680244), (456, 566870), (570, 453496), (760, 340122), (912, 283435), (1140, 226748), (1520, 170061), (2280, 113374), (4560, 56687)]