642180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 2257920

約数和(自身を除く): 1615740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 139, 140, 154, 165, 210, 220, 231, 278, 308, 330, 385, 417, 420, 462, 556, 660, 695, 770, 834, 924, 973, 1155, 1390, 1529, 1540, 1668, 1946, 2085, 2310, 2780, 2919, 3058, 3892, 4170, 4587, 4620, 4865, 5838, 6116, 7645, 8340, 9174, 9730, 10703, 11676, 14595, 15290, 18348, 19460, 21406, 22935, 29190, 30580, 32109, 42812, 45870, 53515, 58380, 64218, 91740, 107030, 128436, 160545, 214060, 321090, 642180]

約数ペア:

[(1, 642180), (2, 321090), (3, 214060), (4, 160545), (5, 128436), (6, 107030), (7, 91740), (10, 64218), (11, 58380), (12, 53515), (14, 45870), (15, 42812), (20, 32109), (21, 30580), (22, 29190), (28, 22935), (30, 21406), (33, 19460), (35, 18348), (42, 15290), (44, 14595), (55, 11676), (60, 10703), (66, 9730), (70, 9174), (77, 8340), (84, 7645), (105, 6116), (110, 5838), (132, 4865), (139, 4620), (140, 4587), (154, 4170), (165, 3892), (210, 3058), (220, 2919), (231, 2780), (278, 2310), (308, 2085), (330, 1946), (385, 1668), (417, 1540), (420, 1529), (462, 1390), (556, 1155), (660, 973), (695, 924), (770, 834)]