998820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 3144960

約数和(自身を除く): 2146140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 179, 180, 186, 279, 310, 358, 372, 465, 537, 558, 620, 716, 895, 930, 1074, 1116, 1395, 1611, 1790, 1860, 2148, 2685, 2790, 3222, 3580, 5370, 5549, 5580, 6444, 8055, 10740, 11098, 16110, 16647, 22196, 27745, 32220, 33294, 49941, 55490, 66588, 83235, 99882, 110980, 166470, 199764, 249705, 332940, 499410, 998820]

約数ペア:

[(1, 998820), (2, 499410), (3, 332940), (4, 249705), (5, 199764), (6, 166470), (9, 110980), (10, 99882), (12, 83235), (15, 66588), (18, 55490), (20, 49941), (30, 33294), (31, 32220), (36, 27745), (45, 22196), (60, 16647), (62, 16110), (90, 11098), (93, 10740), (124, 8055), (155, 6444), (179, 5580), (180, 5549), (186, 5370), (279, 3580), (310, 3222), (358, 2790), (372, 2685), (465, 2148), (537, 1860), (558, 1790), (620, 1611), (716, 1395), (895, 1116), (930, 1074)]