138807480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{165247}}^1$

素因数の和:165268

約数の個数: 64

約数和(自身を含む): 475914240

約数和(自身を除く): 337106760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 165247, 330494, 495741, 660988, 826235, 991482, 1156729, 1321976, 1652470, 1982964, 2313458, 2478705, 3304940, 3470187, 3965928, 4626916, 4957410, 5783645, 6609880, 6940374, 9253832, 9914820, 11567290, 13880748, 17350935, 19829640, 23134580, 27761496, 34701870, 46269160, 69403740, 138807480]

約数ペア:

[(1, 138807480), (2, 69403740), (3, 46269160), (4, 34701870), (5, 27761496), (6, 23134580), (7, 19829640), (8, 17350935), (10, 13880748), (12, 11567290), (14, 9914820), (15, 9253832), (20, 6940374), (21, 6609880), (24, 5783645), (28, 4957410), (30, 4626916), (35, 3965928), (40, 3470187), (42, 3304940), (56, 2478705), (60, 2313458), (70, 1982964), (84, 1652470), (105, 1321976), (120, 1156729), (140, 991482), (168, 826235), (210, 660988), (280, 495741), (420, 330494), (840, 165247)]