87239580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 270254880

約数和(自身を除く): 183015300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 89, 93, 102, 124, 155, 170, 178, 186, 204, 255, 267, 310, 340, 356, 372, 445, 465, 510, 527, 534, 620, 890, 930, 961, 1020, 1054, 1068, 1335, 1513, 1581, 1780, 1860, 1922, 2108, 2635, 2670, 2759, 2883, 3026, 3162, 3844, 4539, 4805, 5270, 5340, 5518, 5766, 6052, 6324, 7565, 7905, 8277, 9078, 9610, 10540, 11036, 11532, 13795, 14415, 15130, 15810, 16337, 16554, 18156, 19220, 22695, 27590, 28830, 30260, 31620, 32674, 33108, 41385, 45390, 46903, 49011, 55180, 57660, 65348, 81685, 82770, 85529, 90780, 93806, 98022, 140709, 163370, 165540, 171058, 187612, 196044, 234515, 245055, 256587, 281418, 326740, 342116, 427645, 469030, 490110, 513174, 562836, 703545, 855290, 938060, 980220, 1026348, 1282935, 1407090, 1453993, 1710580, 2565870, 2814180, 2907986, 4361979, 5131740, 5815972, 7269965, 8723958, 14539930, 17447916, 21809895, 29079860, 43619790, 87239580]

約数ペア:

[(1, 87239580), (2, 43619790), (3, 29079860), (4, 21809895), (5, 17447916), (6, 14539930), (10, 8723958), (12, 7269965), (15, 5815972), (17, 5131740), (20, 4361979), (30, 2907986), (31, 2814180), (34, 2565870), (51, 1710580), (60, 1453993), (62, 1407090), (68, 1282935), (85, 1026348), (89, 980220), (93, 938060), (102, 855290), (124, 703545), (155, 562836), (170, 513174), (178, 490110), (186, 469030), (204, 427645), (255, 342116), (267, 326740), (310, 281418), (340, 256587), (356, 245055), (372, 234515), (445, 196044), (465, 187612), (510, 171058), (527, 165540), (534, 163370), (620, 140709), (890, 98022), (930, 93806), (961, 90780), (1020, 85529), (1054, 82770), (1068, 81685), (1335, 65348), (1513, 57660), (1581, 55180), (1780, 49011), (1860, 46903), (1922, 45390), (2108, 41385), (2635, 33108), (2670, 32674), (2759, 31620), (2883, 30260), (3026, 28830), (3162, 27590), (3844, 22695), (4539, 19220), (4805, 18156), (5270, 16554), (5340, 16337), (5518, 15810), (5766, 15130), (6052, 14415), (6324, 13795), (7565, 11532), (7905, 11036), (8277, 10540), (9078, 9610)]