80991960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{96419}}^1$

素因数の和:96440

約数の個数: 64

約数和(自身を含む): 277689600

約数和(自身を除く): 196697640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 96419, 192838, 289257, 385676, 482095, 578514, 674933, 771352, 964190, 1157028, 1349866, 1446285, 1928380, 2024799, 2314056, 2699732, 2892570, 3374665, 3856760, 4049598, 5399464, 5785140, 6749330, 8099196, 10123995, 11570280, 13498660, 16198392, 20247990, 26997320, 40495980, 80991960]

約数ペア:

[(1, 80991960), (2, 40495980), (3, 26997320), (4, 20247990), (5, 16198392), (6, 13498660), (7, 11570280), (8, 10123995), (10, 8099196), (12, 6749330), (14, 5785140), (15, 5399464), (20, 4049598), (21, 3856760), (24, 3374665), (28, 2892570), (30, 2699732), (35, 2314056), (40, 2024799), (42, 1928380), (56, 1446285), (60, 1349866), (70, 1157028), (84, 964190), (105, 771352), (120, 674933), (140, 578514), (168, 482095), (210, 385676), (280, 289257), (420, 192838), (840, 96419)]