64744260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154153}}^1$

素因数の和:154172

約数の個数: 48

約数和(自身を含む): 207182976

約数和(自身を除く): 142438716

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, 154153, 308306, 462459, 616612, 770765, 924918, 1079071, 1541530, 1849836, 2158142, 2312295, 3083060, 3237213, 4316284, 4624590, 5395355, 6474426, 9249180, 10790710, 12948852, 16186065, 21581420, 32372130, 64744260]

約数ペア:

[(1, 64744260), (2, 32372130), (3, 21581420), (4, 16186065), (5, 12948852), (6, 10790710), (7, 9249180), (10, 6474426), (12, 5395355), (14, 4624590), (15, 4316284), (20, 3237213), (21, 3083060), (28, 2312295), (30, 2158142), (35, 1849836), (42, 1541530), (60, 1079071), (70, 924918), (84, 770765), (105, 616612), (140, 462459), (210, 308306), (420, 154153)]