40689180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:816

約数の個数: 144

約数和(自身を含む): 144528384

約数和(自身を除く): 103839204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 751, 774, 860, 903, 1204, 1260, 1290, 1502, 1505, 1548, 1806, 1935, 2253, 2580, 2709, 3004, 3010, 3612, 3755, 3870, 4506, 4515, 5257, 5418, 6020, 6759, 7510, 7740, 9012, 9030, 10514, 10836, 11265, 13518, 13545, 15020, 15771, 18060, 21028, 22530, 26285, 27036, 27090, 31542, 32293, 33795, 45060, 47313, 52570, 54180, 63084, 64586, 67590, 78855, 94626, 96879, 105140, 129172, 135180, 157710, 161465, 189252, 193758, 226051, 236565, 290637, 315420, 322930, 387516, 452102, 473130, 484395, 581274, 645860, 678153, 904204, 946260, 968790, 1130255, 1162548, 1356306, 1453185, 1937580, 2034459, 2260510, 2712612, 2906370, 3390765, 4068918, 4521020, 5812740, 6781530, 8137836, 10172295, 13563060, 20344590, 40689180]

約数ペア:

[(1, 40689180), (2, 20344590), (3, 13563060), (4, 10172295), (5, 8137836), (6, 6781530), (7, 5812740), (9, 4521020), (10, 4068918), (12, 3390765), (14, 2906370), (15, 2712612), (18, 2260510), (20, 2034459), (21, 1937580), (28, 1453185), (30, 1356306), (35, 1162548), (36, 1130255), (42, 968790), (43, 946260), (45, 904204), (60, 678153), (63, 645860), (70, 581274), (84, 484395), (86, 473130), (90, 452102), (105, 387516), (126, 322930), (129, 315420), (140, 290637), (172, 236565), (180, 226051), (210, 193758), (215, 189252), (252, 161465), (258, 157710), (301, 135180), (315, 129172), (387, 105140), (420, 96879), (430, 94626), (516, 78855), (602, 67590), (630, 64586), (645, 63084), (751, 54180), (774, 52570), (860, 47313), (903, 45060), (1204, 33795), (1260, 32293), (1290, 31542), (1502, 27090), (1505, 27036), (1548, 26285), (1806, 22530), (1935, 21028), (2253, 18060), (2580, 15771), (2709, 15020), (3004, 13545), (3010, 13518), (3612, 11265), (3755, 10836), (3870, 10514), (4506, 9030), (4515, 9012), (5257, 7740), (5418, 7510), (6020, 6759)]