1390620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 5056128

約数和(自身を除く): 3665508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 43, 44, 49, 55, 60, 66, 70, 77, 84, 86, 98, 105, 110, 129, 132, 140, 147, 154, 165, 172, 196, 210, 215, 220, 231, 245, 258, 294, 301, 308, 330, 385, 420, 430, 462, 473, 490, 516, 539, 588, 602, 645, 660, 735, 770, 860, 903, 924, 946, 980, 1078, 1155, 1204, 1290, 1419, 1470, 1505, 1540, 1617, 1806, 1892, 2107, 2156, 2310, 2365, 2580, 2695, 2838, 2940, 3010, 3234, 3311, 3612, 4214, 4515, 4620, 4730, 5390, 5676, 6020, 6321, 6468, 6622, 7095, 8085, 8428, 9030, 9460, 9933, 10535, 10780, 12642, 13244, 14190, 16170, 16555, 18060, 19866, 21070, 23177, 25284, 28380, 31605, 32340, 33110, 39732, 42140, 46354, 49665, 63210, 66220, 69531, 92708, 99330, 115885, 126420, 139062, 198660, 231770, 278124, 347655, 463540, 695310, 1390620]

約数ペア:

[(1, 1390620), (2, 695310), (3, 463540), (4, 347655), (5, 278124), (6, 231770), (7, 198660), (10, 139062), (11, 126420), (12, 115885), (14, 99330), (15, 92708), (20, 69531), (21, 66220), (22, 63210), (28, 49665), (30, 46354), (33, 42140), (35, 39732), (42, 33110), (43, 32340), (44, 31605), (49, 28380), (55, 25284), (60, 23177), (66, 21070), (70, 19866), (77, 18060), (84, 16555), (86, 16170), (98, 14190), (105, 13244), (110, 12642), (129, 10780), (132, 10535), (140, 9933), (147, 9460), (154, 9030), (165, 8428), (172, 8085), (196, 7095), (210, 6622), (215, 6468), (220, 6321), (231, 6020), (245, 5676), (258, 5390), (294, 4730), (301, 4620), (308, 4515), (330, 4214), (385, 3612), (420, 3311), (430, 3234), (462, 3010), (473, 2940), (490, 2838), (516, 2695), (539, 2580), (588, 2365), (602, 2310), (645, 2156), (660, 2107), (735, 1892), (770, 1806), (860, 1617), (903, 1540), (924, 1505), (946, 1470), (980, 1419), (1078, 1290), (1155, 1204)]