31931280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{14783}}^1$

素因数の和:14805

約数の個数: 80

約数和(自身を含む): 109992960

約数和(自身を除く): 78061680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 14783, 29566, 44349, 59132, 73915, 88698, 118264, 133047, 147830, 177396, 221745, 236528, 266094, 295660, 354792, 399141, 443490, 532188, 591320, 665235, 709584, 798282, 886980, 1064376, 1182640, 1330470, 1596564, 1773960, 1995705, 2128752, 2660940, 3193128, 3547920, 3991410, 5321880, 6386256, 7982820, 10643760, 15965640, 31931280]

約数ペア:

[(1, 31931280), (2, 15965640), (3, 10643760), (4, 7982820), (5, 6386256), (6, 5321880), (8, 3991410), (9, 3547920), (10, 3193128), (12, 2660940), (15, 2128752), (16, 1995705), (18, 1773960), (20, 1596564), (24, 1330470), (27, 1182640), (30, 1064376), (36, 886980), (40, 798282), (45, 709584), (48, 665235), (54, 591320), (60, 532188), (72, 443490), (80, 399141), (90, 354792), (108, 295660), (120, 266094), (135, 236528), (144, 221745), (180, 177396), (216, 147830), (240, 133047), (270, 118264), (360, 88698), (432, 73915), (540, 59132), (720, 44349), (1080, 29566), (2160, 14783)]