1538308380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3662639}}^1$

素因数の和:3662658

約数の個数: 48

約数和(自身を含む): 4922588160

約数和(自身を除く): 3384279780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3662639, 7325278, 10987917, 14650556, 18313195, 21975834, 25638473, 36626390, 43951668, 51276946, 54939585, 73252780, 76915419, 102553892, 109879170, 128192365, 153830838, 219758340, 256384730, 307661676, 384577095, 512769460, 769154190, 1538308380]

約数ペア:

[(1, 1538308380), (2, 769154190), (3, 512769460), (4, 384577095), (5, 307661676), (6, 256384730), (7, 219758340), (10, 153830838), (12, 128192365), (14, 109879170), (15, 102553892), (20, 76915419), (21, 73252780), (28, 54939585), (30, 51276946), (35, 43951668), (42, 36626390), (60, 25638473), (70, 21975834), (84, 18313195), (105, 14650556), (140, 10987917), (210, 7325278), (420, 3662639)]