12439140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{4231}}^1$

素因数の和:4257

約数の個数: 72

約数和(自身を含む): 40525632

約数和(自身を除く): 28086492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 4231, 8462, 12693, 16924, 21155, 25386, 29617, 42310, 50772, 59234, 63465, 84620, 88851, 118468, 126930, 148085, 177702, 207319, 253860, 296170, 355404, 414638, 444255, 592340, 621957, 829276, 888510, 1036595, 1243914, 1777020, 2073190, 2487828, 3109785, 4146380, 6219570, 12439140]

約数ペア:

[(1, 12439140), (2, 6219570), (3, 4146380), (4, 3109785), (5, 2487828), (6, 2073190), (7, 1777020), (10, 1243914), (12, 1036595), (14, 888510), (15, 829276), (20, 621957), (21, 592340), (28, 444255), (30, 414638), (35, 355404), (42, 296170), (49, 253860), (60, 207319), (70, 177702), (84, 148085), (98, 126930), (105, 118468), (140, 88851), (147, 84620), (196, 63465), (210, 59234), (245, 50772), (294, 42310), (420, 29617), (490, 25386), (588, 21155), (735, 16924), (980, 12693), (1470, 8462), (2940, 4231)]