78475860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10139}}^1$

素因数の和:10197

約数の個数: 72

約数和(自身を含む): 243603360

約数和(自身を除く): 165127500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 10139, 20278, 30417, 40556, 50695, 60834, 91251, 101390, 121668, 152085, 182502, 202780, 304170, 365004, 435977, 456255, 608340, 871954, 912510, 1307931, 1743908, 1825020, 2179885, 2615862, 3923793, 4359770, 5231724, 6539655, 7847586, 8719540, 13079310, 15695172, 19618965, 26158620, 39237930, 78475860]

約数ペア:

[(1, 78475860), (2, 39237930), (3, 26158620), (4, 19618965), (5, 15695172), (6, 13079310), (9, 8719540), (10, 7847586), (12, 6539655), (15, 5231724), (18, 4359770), (20, 3923793), (30, 2615862), (36, 2179885), (43, 1825020), (45, 1743908), (60, 1307931), (86, 912510), (90, 871954), (129, 608340), (172, 456255), (180, 435977), (215, 365004), (258, 304170), (387, 202780), (430, 182502), (516, 152085), (645, 121668), (774, 101390), (860, 91251), (1290, 60834), (1548, 50695), (1935, 40556), (2580, 30417), (3870, 20278), (7740, 10139)]