64813140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51439}}^1$

素因数の和:51461

約数の個数: 72

約数和(自身を含む): 224689920

約数和(自身を除く): 159876780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 51439, 102878, 154317, 205756, 257195, 308634, 360073, 462951, 514390, 617268, 720146, 771585, 925902, 1028780, 1080219, 1440292, 1543170, 1800365, 1851804, 2160438, 2314755, 3086340, 3240657, 3600730, 4320876, 4629510, 5401095, 6481314, 7201460, 9259020, 10802190, 12962628, 16203285, 21604380, 32406570, 64813140]

約数ペア:

[(1, 64813140), (2, 32406570), (3, 21604380), (4, 16203285), (5, 12962628), (6, 10802190), (7, 9259020), (9, 7201460), (10, 6481314), (12, 5401095), (14, 4629510), (15, 4320876), (18, 3600730), (20, 3240657), (21, 3086340), (28, 2314755), (30, 2160438), (35, 1851804), (36, 1800365), (42, 1543170), (45, 1440292), (60, 1080219), (63, 1028780), (70, 925902), (84, 771585), (90, 720146), (105, 617268), (126, 514390), (140, 462951), (180, 360073), (210, 308634), (252, 257195), (315, 205756), (420, 154317), (630, 102878), (1260, 51439)]