66439380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{158189}}^1$

素因数の和:158208

約数の個数: 48

約数和(自身を含む): 212607360

約数和(自身を除く): 146167980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 158189, 316378, 474567, 632756, 790945, 949134, 1107323, 1581890, 1898268, 2214646, 2372835, 3163780, 3321969, 4429292, 4745670, 5536615, 6643938, 9491340, 11073230, 13287876, 16609845, 22146460, 33219690, 66439380]

約数ペア:

[(1, 66439380), (2, 33219690), (3, 22146460), (4, 16609845), (5, 13287876), (6, 11073230), (7, 9491340), (10, 6643938), (12, 5536615), (14, 4745670), (15, 4429292), (20, 3321969), (21, 3163780), (28, 2372835), (30, 2214646), (35, 1898268), (42, 1581890), (60, 1107323), (70, 949134), (84, 790945), (105, 632756), (140, 474567), (210, 316378), (420, 158189)]