217028520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19447}}^1$

素因数の和:19495

約数の個数: 96

約数和(自身を含む): 728133120

約数和(自身を除く): 511104600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 19447, 38894, 58341, 77788, 97235, 116682, 155576, 175023, 194470, 233364, 291705, 350046, 388940, 466728, 583410, 602857, 700092, 777880, 875115, 1166820, 1205714, 1400184, 1750230, 1808571, 2333640, 2411428, 3014285, 3500460, 3617142, 4822856, 5425713, 6028570, 7000920, 7234284, 9042855, 10851426, 12057140, 14468568, 18085710, 21702852, 24114280, 27128565, 36171420, 43405704, 54257130, 72342840, 108514260, 217028520]

約数ペア:

[(1, 217028520), (2, 108514260), (3, 72342840), (4, 54257130), (5, 43405704), (6, 36171420), (8, 27128565), (9, 24114280), (10, 21702852), (12, 18085710), (15, 14468568), (18, 12057140), (20, 10851426), (24, 9042855), (30, 7234284), (31, 7000920), (36, 6028570), (40, 5425713), (45, 4822856), (60, 3617142), (62, 3500460), (72, 3014285), (90, 2411428), (93, 2333640), (120, 1808571), (124, 1750230), (155, 1400184), (180, 1205714), (186, 1166820), (248, 875115), (279, 777880), (310, 700092), (360, 602857), (372, 583410), (465, 466728), (558, 388940), (620, 350046), (744, 291705), (930, 233364), (1116, 194470), (1240, 175023), (1395, 155576), (1860, 116682), (2232, 97235), (2790, 77788), (3720, 58341), (5580, 38894), (11160, 19447)]