72900

素因数分解:

$2^2\times 3^6\times 5^2$

素因数の和:32

約数の個数: 63

約数和(自身を含む): 237181

約数和(自身を除く): 164281

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 405, 450, 486, 540, 675, 729, 810, 900, 972, 1215, 1350, 1458, 1620, 2025, 2430, 2700, 2916, 3645, 4050, 4860, 6075, 7290, 8100, 12150, 14580, 18225, 24300, 36450, 72900]

約数ペア:

[(1, 72900), (2, 36450), (3, 24300), (4, 18225), (5, 14580), (6, 12150), (9, 8100), (10, 7290), (12, 6075), (15, 4860), (18, 4050), (20, 3645), (25, 2916), (27, 2700), (30, 2430), (36, 2025), (45, 1620), (50, 1458), (54, 1350), (60, 1215), (75, 972), (81, 900), (90, 810), (100, 729), (108, 675), (135, 540), (150, 486), (162, 450), (180, 405), (225, 324), (243, 300)]