869940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{179}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 2751840

約数和(自身を除く): 1881900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 179, 180, 243, 270, 324, 358, 405, 486, 537, 540, 716, 810, 895, 972, 1074, 1215, 1611, 1620, 1790, 2148, 2430, 2685, 3222, 3580, 4833, 4860, 5370, 6444, 8055, 9666, 10740, 14499, 16110, 19332, 24165, 28998, 32220, 43497, 48330, 57996, 72495, 86994, 96660, 144990, 173988, 217485, 289980, 434970, 869940]

約数ペア:

[(1, 869940), (2, 434970), (3, 289980), (4, 217485), (5, 173988), (6, 144990), (9, 96660), (10, 86994), (12, 72495), (15, 57996), (18, 48330), (20, 43497), (27, 32220), (30, 28998), (36, 24165), (45, 19332), (54, 16110), (60, 14499), (81, 10740), (90, 9666), (108, 8055), (135, 6444), (162, 5370), (179, 4860), (180, 4833), (243, 3580), (270, 3222), (324, 2685), (358, 2430), (405, 2148), (486, 1790), (537, 1620), (540, 1611), (716, 1215), (810, 1074), (895, 972)]