68264720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 169155840

約数和(自身を除く): 100891120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 463, 485, 760, 776, 926, 970, 1520, 1552, 1843, 1852, 1940, 2315, 3686, 3704, 3880, 4630, 7372, 7408, 7760, 8797, 9215, 9260, 14744, 17594, 18430, 18520, 29488, 35188, 36860, 37040, 43985, 44911, 70376, 73720, 87970, 89822, 140752, 147440, 175940, 179644, 224555, 351880, 359288, 449110, 703760, 718576, 853309, 898220, 1706618, 1796440, 3413236, 3592880, 4266545, 6826472, 8533090, 13652944, 17066180, 34132360, 68264720]

約数ペア:

[(1, 68264720), (2, 34132360), (4, 17066180), (5, 13652944), (8, 8533090), (10, 6826472), (16, 4266545), (19, 3592880), (20, 3413236), (38, 1796440), (40, 1706618), (76, 898220), (80, 853309), (95, 718576), (97, 703760), (152, 449110), (190, 359288), (194, 351880), (304, 224555), (380, 179644), (388, 175940), (463, 147440), (485, 140752), (760, 89822), (776, 87970), (926, 73720), (970, 70376), (1520, 44911), (1552, 43985), (1843, 37040), (1852, 36860), (1940, 35188), (2315, 29488), (3686, 18520), (3704, 18430), (3880, 17594), (4630, 14744), (7372, 9260), (7408, 9215), (7760, 8797)]