18985320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17579}}^1$

素因数の和:17599

約数の個数: 64

約数和(自身を含む): 63288000

約数和(自身を除く): 44302680

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, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 17579, 35158, 52737, 70316, 87895, 105474, 140632, 158211, 175790, 210948, 263685, 316422, 351580, 421896, 474633, 527370, 632844, 703160, 791055, 949266, 1054740, 1265688, 1582110, 1898532, 2109480, 2373165, 3164220, 3797064, 4746330, 6328440, 9492660, 18985320]

約数ペア:

[(1, 18985320), (2, 9492660), (3, 6328440), (4, 4746330), (5, 3797064), (6, 3164220), (8, 2373165), (9, 2109480), (10, 1898532), (12, 1582110), (15, 1265688), (18, 1054740), (20, 949266), (24, 791055), (27, 703160), (30, 632844), (36, 527370), (40, 474633), (45, 421896), (54, 351580), (60, 316422), (72, 263685), (90, 210948), (108, 175790), (120, 158211), (135, 140632), (180, 105474), (216, 87895), (270, 70316), (360, 52737), (540, 35158), (1080, 17579)]