164721900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{78439}}^1$

素因数の和:78463

約数の個数: 72

約数和(自身を含む): 544687360

約数和(自身を除く): 379965460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 78439, 156878, 235317, 313756, 392195, 470634, 549073, 784390, 941268, 1098146, 1176585, 1568780, 1647219, 1960975, 2196292, 2353170, 2745365, 3294438, 3921950, 4706340, 5490730, 5882925, 6588876, 7843900, 8236095, 10981460, 11765850, 13726825, 16472190, 23531700, 27453650, 32944380, 41180475, 54907300, 82360950, 164721900]

約数ペア:

[(1, 164721900), (2, 82360950), (3, 54907300), (4, 41180475), (5, 32944380), (6, 27453650), (7, 23531700), (10, 16472190), (12, 13726825), (14, 11765850), (15, 10981460), (20, 8236095), (21, 7843900), (25, 6588876), (28, 5882925), (30, 5490730), (35, 4706340), (42, 3921950), (50, 3294438), (60, 2745365), (70, 2353170), (75, 2196292), (84, 1960975), (100, 1647219), (105, 1568780), (140, 1176585), (150, 1098146), (175, 941268), (210, 784390), (300, 549073), (350, 470634), (420, 392195), (525, 313756), (700, 235317), (1050, 156878), (2100, 78439)]