721334080

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{21067}}^1$

素因数の和:21191

約数の個数: 56

約数和(自身を含む): 1733812128

約数和(自身を除く): 1012478048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 856, 1070, 1712, 2140, 3424, 4280, 6848, 8560, 17120, 21067, 34240, 42134, 84268, 105335, 168536, 210670, 337072, 421340, 674144, 842680, 1348288, 1685360, 2254169, 3370720, 4508338, 6741440, 9016676, 11270845, 18033352, 22541690, 36066704, 45083380, 72133408, 90166760, 144266816, 180333520, 360667040, 721334080]

約数ペア:

[(1, 721334080), (2, 360667040), (4, 180333520), (5, 144266816), (8, 90166760), (10, 72133408), (16, 45083380), (20, 36066704), (32, 22541690), (40, 18033352), (64, 11270845), (80, 9016676), (107, 6741440), (160, 4508338), (214, 3370720), (320, 2254169), (428, 1685360), (535, 1348288), (856, 842680), (1070, 674144), (1712, 421340), (2140, 337072), (3424, 210670), (4280, 168536), (6848, 105335), (8560, 84268), (17120, 42134), (21067, 34240)]