80978100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{38561}}^1$

素因数の和:38585

約数の個数: 72

約数和(自身を含む): 267774528

約数和(自身を除く): 186796428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 38561, 77122, 115683, 154244, 192805, 231366, 269927, 385610, 462732, 539854, 578415, 771220, 809781, 964025, 1079708, 1156830, 1349635, 1619562, 1928050, 2313660, 2699270, 2892075, 3239124, 3856100, 4048905, 5398540, 5784150, 6748175, 8097810, 11568300, 13496350, 16195620, 20244525, 26992700, 40489050, 80978100]

約数ペア:

[(1, 80978100), (2, 40489050), (3, 26992700), (4, 20244525), (5, 16195620), (6, 13496350), (7, 11568300), (10, 8097810), (12, 6748175), (14, 5784150), (15, 5398540), (20, 4048905), (21, 3856100), (25, 3239124), (28, 2892075), (30, 2699270), (35, 2313660), (42, 1928050), (50, 1619562), (60, 1349635), (70, 1156830), (75, 1079708), (84, 964025), (100, 809781), (105, 771220), (140, 578415), (150, 539854), (175, 462732), (210, 385610), (300, 269927), (350, 231366), (420, 192805), (525, 154244), (700, 115683), (1050, 77122), (2100, 38561)]