1721659360

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5807}}^1$

素因数の和:5948

約数の個数: 96

約数和(自身を含む): 4346939520

約数和(自身を除く): 2625280160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 109, 136, 160, 170, 218, 272, 340, 436, 544, 545, 680, 872, 1090, 1360, 1744, 1853, 2180, 2720, 3488, 3706, 4360, 5807, 7412, 8720, 9265, 11614, 14824, 17440, 18530, 23228, 29035, 29648, 37060, 46456, 58070, 59296, 74120, 92912, 98719, 116140, 148240, 185824, 197438, 232280, 296480, 394876, 464560, 493595, 632963, 789752, 929120, 987190, 1265926, 1579504, 1974380, 2531852, 3159008, 3164815, 3948760, 5063704, 6329630, 7897520, 10127408, 10760371, 12659260, 15795040, 20254816, 21520742, 25318520, 43041484, 50637040, 53801855, 86082968, 101274080, 107603710, 172165936, 215207420, 344331872, 430414840, 860829680, 1721659360]

約数ペア:

[(1, 1721659360), (2, 860829680), (4, 430414840), (5, 344331872), (8, 215207420), (10, 172165936), (16, 107603710), (17, 101274080), (20, 86082968), (32, 53801855), (34, 50637040), (40, 43041484), (68, 25318520), (80, 21520742), (85, 20254816), (109, 15795040), (136, 12659260), (160, 10760371), (170, 10127408), (218, 7897520), (272, 6329630), (340, 5063704), (436, 3948760), (544, 3164815), (545, 3159008), (680, 2531852), (872, 1974380), (1090, 1579504), (1360, 1265926), (1744, 987190), (1853, 929120), (2180, 789752), (2720, 632963), (3488, 493595), (3706, 464560), (4360, 394876), (5807, 296480), (7412, 232280), (8720, 197438), (9265, 185824), (11614, 148240), (14824, 116140), (17440, 98719), (18530, 92912), (23228, 74120), (29035, 59296), (29648, 58070), (37060, 46456)]