80773980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192319}}^1$

素因数の和:192338

約数の個数: 48

約数和(自身を含む): 258478080

約数和(自身を除く): 177704100

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, 192319, 384638, 576957, 769276, 961595, 1153914, 1346233, 1923190, 2307828, 2692466, 2884785, 3846380, 4038699, 5384932, 5769570, 6731165, 8077398, 11539140, 13462330, 16154796, 20193495, 26924660, 40386990, 80773980]

約数ペア:

[(1, 80773980), (2, 40386990), (3, 26924660), (4, 20193495), (5, 16154796), (6, 13462330), (7, 11539140), (10, 8077398), (12, 6731165), (14, 5769570), (15, 5384932), (20, 4038699), (21, 3846380), (28, 2884785), (30, 2692466), (35, 2307828), (42, 1923190), (60, 1346233), (70, 1153914), (84, 961595), (105, 769276), (140, 576957), (210, 384638), (420, 192319)]