30991320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2777}}^1$

素因数の和:2825

約数の個数: 96

約数和(自身を含む): 104008320

約数和(自身を除く): 73017000

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, 2777, 2790, 3720, 5554, 5580, 8331, 11108, 11160, 13885, 16662, 22216, 24993, 27770, 33324, 41655, 49986, 55540, 66648, 83310, 86087, 99972, 111080, 124965, 166620, 172174, 199944, 249930, 258261, 333240, 344348, 430435, 499860, 516522, 688696, 774783, 860870, 999720, 1033044, 1291305, 1549566, 1721740, 2066088, 2582610, 3099132, 3443480, 3873915, 5165220, 6198264, 7747830, 10330440, 15495660, 30991320]

約数ペア:

[(1, 30991320), (2, 15495660), (3, 10330440), (4, 7747830), (5, 6198264), (6, 5165220), (8, 3873915), (9, 3443480), (10, 3099132), (12, 2582610), (15, 2066088), (18, 1721740), (20, 1549566), (24, 1291305), (30, 1033044), (31, 999720), (36, 860870), (40, 774783), (45, 688696), (60, 516522), (62, 499860), (72, 430435), (90, 344348), (93, 333240), (120, 258261), (124, 249930), (155, 199944), (180, 172174), (186, 166620), (248, 124965), (279, 111080), (310, 99972), (360, 86087), (372, 83310), (465, 66648), (558, 55540), (620, 49986), (744, 41655), (930, 33324), (1116, 27770), (1240, 24993), (1395, 22216), (1860, 16662), (2232, 13885), (2777, 11160), (2790, 11108), (3720, 8331), (5554, 5580)]