1145249720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{1759}}^1$

素因数の和:2208

約数の個数: 64

約数和(自身を含む): 2647814400

約数和(自身を除く): 1502564680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 397, 410, 794, 820, 1588, 1640, 1759, 1985, 3176, 3518, 3970, 7036, 7940, 8795, 14072, 15880, 16277, 17590, 32554, 35180, 65108, 70360, 72119, 81385, 130216, 144238, 162770, 288476, 325540, 360595, 576952, 651080, 698323, 721190, 1396646, 1442380, 2793292, 2884760, 3491615, 5586584, 6983230, 13966460, 27932920, 28631243, 57262486, 114524972, 143156215, 229049944, 286312430, 572624860, 1145249720]

約数ペア:

[(1, 1145249720), (2, 572624860), (4, 286312430), (5, 229049944), (8, 143156215), (10, 114524972), (20, 57262486), (40, 28631243), (41, 27932920), (82, 13966460), (164, 6983230), (205, 5586584), (328, 3491615), (397, 2884760), (410, 2793292), (794, 1442380), (820, 1396646), (1588, 721190), (1640, 698323), (1759, 651080), (1985, 576952), (3176, 360595), (3518, 325540), (3970, 288476), (7036, 162770), (7940, 144238), (8795, 130216), (14072, 81385), (15880, 72119), (16277, 70360), (17590, 65108), (32554, 35180)]