1630621880

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{3517}}^1$

素因数の和:3768

約数の個数: 64

約数和(自身を含む): 3746247840

約数和(自身を除く): 2115625960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 173, 268, 335, 346, 536, 670, 692, 865, 1340, 1384, 1730, 2680, 3460, 3517, 6920, 7034, 11591, 14068, 17585, 23182, 28136, 35170, 46364, 57955, 70340, 92728, 115910, 140680, 231820, 235639, 463640, 471278, 608441, 942556, 1178195, 1216882, 1885112, 2356390, 2433764, 3042205, 4712780, 4867528, 6084410, 9425560, 12168820, 24337640, 40765547, 81531094, 163062188, 203827735, 326124376, 407655470, 815310940, 1630621880]

約数ペア:

[(1, 1630621880), (2, 815310940), (4, 407655470), (5, 326124376), (8, 203827735), (10, 163062188), (20, 81531094), (40, 40765547), (67, 24337640), (134, 12168820), (173, 9425560), (268, 6084410), (335, 4867528), (346, 4712780), (536, 3042205), (670, 2433764), (692, 2356390), (865, 1885112), (1340, 1216882), (1384, 1178195), (1730, 942556), (2680, 608441), (3460, 471278), (3517, 463640), (6920, 235639), (7034, 231820), (11591, 140680), (14068, 115910), (17585, 92728), (23182, 70340), (28136, 57955), (35170, 46364)]