42712740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:442

約数の個数: 144

約数和(自身を含む): 149909760

約数和(自身を除く): 107197020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 109, 126, 140, 180, 210, 218, 252, 311, 315, 327, 420, 436, 545, 622, 630, 654, 763, 933, 981, 1090, 1244, 1260, 1308, 1526, 1555, 1635, 1866, 1962, 2177, 2180, 2289, 2799, 3052, 3110, 3270, 3732, 3815, 3924, 4354, 4578, 4665, 4905, 5598, 6220, 6531, 6540, 6867, 7630, 8708, 9156, 9330, 9810, 10885, 11196, 11445, 13062, 13734, 13995, 15260, 18660, 19593, 19620, 21770, 22890, 26124, 27468, 27990, 32655, 33899, 34335, 39186, 43540, 45780, 55980, 65310, 67798, 68670, 78372, 97965, 101697, 130620, 135596, 137340, 169495, 195930, 203394, 237293, 305091, 338990, 391860, 406788, 474586, 508485, 610182, 677980, 711879, 949172, 1016970, 1186465, 1220364, 1423758, 1525455, 2033940, 2135637, 2372930, 2847516, 3050910, 3559395, 4271274, 4745860, 6101820, 7118790, 8542548, 10678185, 14237580, 21356370, 42712740]

約数ペア:

[(1, 42712740), (2, 21356370), (3, 14237580), (4, 10678185), (5, 8542548), (6, 7118790), (7, 6101820), (9, 4745860), (10, 4271274), (12, 3559395), (14, 3050910), (15, 2847516), (18, 2372930), (20, 2135637), (21, 2033940), (28, 1525455), (30, 1423758), (35, 1220364), (36, 1186465), (42, 1016970), (45, 949172), (60, 711879), (63, 677980), (70, 610182), (84, 508485), (90, 474586), (105, 406788), (109, 391860), (126, 338990), (140, 305091), (180, 237293), (210, 203394), (218, 195930), (252, 169495), (311, 137340), (315, 135596), (327, 130620), (420, 101697), (436, 97965), (545, 78372), (622, 68670), (630, 67798), (654, 65310), (763, 55980), (933, 45780), (981, 43540), (1090, 39186), (1244, 34335), (1260, 33899), (1308, 32655), (1526, 27990), (1555, 27468), (1635, 26124), (1866, 22890), (1962, 21770), (2177, 19620), (2180, 19593), (2289, 18660), (2799, 15260), (3052, 13995), (3110, 13734), (3270, 13062), (3732, 11445), (3815, 11196), (3924, 10885), (4354, 9810), (4578, 9330), (4665, 9156), (4905, 8708), (5598, 7630), (6220, 6867), (6531, 6540)]