69728040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{21521}}^1$

素因数の和:21544

約数の個数: 80

約数和(自身を含む): 234374580

約数和(自身を除く): 164646540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 21521, 43042, 64563, 86084, 107605, 129126, 172168, 193689, 215210, 258252, 322815, 387378, 430420, 516504, 581067, 645630, 774756, 860840, 968445, 1162134, 1291260, 1549512, 1743201, 1936890, 2324268, 2582520, 2905335, 3486402, 3873780, 4648536, 5810670, 6972804, 7747560, 8716005, 11621340, 13945608, 17432010, 23242680, 34864020, 69728040]

約数ペア:

[(1, 69728040), (2, 34864020), (3, 23242680), (4, 17432010), (5, 13945608), (6, 11621340), (8, 8716005), (9, 7747560), (10, 6972804), (12, 5810670), (15, 4648536), (18, 3873780), (20, 3486402), (24, 2905335), (27, 2582520), (30, 2324268), (36, 1936890), (40, 1743201), (45, 1549512), (54, 1291260), (60, 1162134), (72, 968445), (81, 860840), (90, 774756), (108, 645630), (120, 581067), (135, 516504), (162, 430420), (180, 387378), (216, 322815), (270, 258252), (324, 215210), (360, 193689), (405, 172168), (540, 129126), (648, 107605), (810, 86084), (1080, 64563), (1620, 43042), (3240, 21521)]