28991880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2777}}^1$

素因数の和:2823

約数の個数: 96

約数和(自身を含む): 97507800

約数和(自身を除く): 68515920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 90, 116, 120, 145, 174, 180, 232, 261, 290, 348, 360, 435, 522, 580, 696, 870, 1044, 1160, 1305, 1740, 2088, 2610, 2777, 3480, 5220, 5554, 8331, 10440, 11108, 13885, 16662, 22216, 24993, 27770, 33324, 41655, 49986, 55540, 66648, 80533, 83310, 99972, 111080, 124965, 161066, 166620, 199944, 241599, 249930, 322132, 333240, 402665, 483198, 499860, 644264, 724797, 805330, 966396, 999720, 1207995, 1449594, 1610660, 1932792, 2415990, 2899188, 3221320, 3623985, 4831980, 5798376, 7247970, 9663960, 14495940, 28991880]

約数ペア:

[(1, 28991880), (2, 14495940), (3, 9663960), (4, 7247970), (5, 5798376), (6, 4831980), (8, 3623985), (9, 3221320), (10, 2899188), (12, 2415990), (15, 1932792), (18, 1610660), (20, 1449594), (24, 1207995), (29, 999720), (30, 966396), (36, 805330), (40, 724797), (45, 644264), (58, 499860), (60, 483198), (72, 402665), (87, 333240), (90, 322132), (116, 249930), (120, 241599), (145, 199944), (174, 166620), (180, 161066), (232, 124965), (261, 111080), (290, 99972), (348, 83310), (360, 80533), (435, 66648), (522, 55540), (580, 49986), (696, 41655), (870, 33324), (1044, 27770), (1160, 24993), (1305, 22216), (1740, 16662), (2088, 13885), (2610, 11108), (2777, 10440), (3480, 8331), (5220, 5554)]