644455620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1571}}^1$

素因数の和:1682

約数の個数: 144

約数和(自身を含む): 2039349312

約数和(自身を除く): 1394893692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 53, 60, 86, 90, 106, 129, 159, 172, 180, 212, 215, 258, 265, 318, 387, 430, 477, 516, 530, 636, 645, 774, 795, 860, 954, 1060, 1290, 1548, 1571, 1590, 1908, 1935, 2279, 2385, 2580, 3142, 3180, 3870, 4558, 4713, 4770, 6284, 6837, 7740, 7855, 9116, 9426, 9540, 11395, 13674, 14139, 15710, 18852, 20511, 22790, 23565, 27348, 28278, 31420, 34185, 41022, 45580, 47130, 56556, 67553, 68370, 70695, 82044, 83263, 94260, 102555, 135106, 136740, 141390, 166526, 202659, 205110, 249789, 270212, 282780, 333052, 337765, 405318, 410220, 416315, 499578, 607977, 675530, 749367, 810636, 832630, 999156, 1013295, 1215954, 1248945, 1351060, 1498734, 1665260, 2026590, 2431908, 2497890, 2997468, 3039885, 3580309, 3746835, 4053180, 4995780, 6079770, 7160618, 7493670, 10740927, 12159540, 14321236, 14987340, 17901545, 21481854, 32222781, 35803090, 42963708, 53704635, 64445562, 71606180, 107409270, 128891124, 161113905, 214818540, 322227810, 644455620]

約数ペア:

[(1, 644455620), (2, 322227810), (3, 214818540), (4, 161113905), (5, 128891124), (6, 107409270), (9, 71606180), (10, 64445562), (12, 53704635), (15, 42963708), (18, 35803090), (20, 32222781), (30, 21481854), (36, 17901545), (43, 14987340), (45, 14321236), (53, 12159540), (60, 10740927), (86, 7493670), (90, 7160618), (106, 6079770), (129, 4995780), (159, 4053180), (172, 3746835), (180, 3580309), (212, 3039885), (215, 2997468), (258, 2497890), (265, 2431908), (318, 2026590), (387, 1665260), (430, 1498734), (477, 1351060), (516, 1248945), (530, 1215954), (636, 1013295), (645, 999156), (774, 832630), (795, 810636), (860, 749367), (954, 675530), (1060, 607977), (1290, 499578), (1548, 416315), (1571, 410220), (1590, 405318), (1908, 337765), (1935, 333052), (2279, 282780), (2385, 270212), (2580, 249789), (3142, 205110), (3180, 202659), (3870, 166526), (4558, 141390), (4713, 136740), (4770, 135106), (6284, 102555), (6837, 94260), (7740, 83263), (7855, 82044), (9116, 70695), (9426, 68370), (9540, 67553), (11395, 56556), (13674, 47130), (14139, 45580), (15710, 41022), (18852, 34185), (20511, 31420), (22790, 28278), (23565, 27348)]