28803720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21821}}^1$

素因数の和:21846

約数の個数: 64

約数和(自身を含む): 94271040

約数和(自身を除く): 65467320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21821, 43642, 65463, 87284, 109105, 130926, 174568, 218210, 240031, 261852, 327315, 436420, 480062, 523704, 654630, 720093, 872840, 960124, 1200155, 1309260, 1440186, 1920248, 2400310, 2618520, 2880372, 3600465, 4800620, 5760744, 7200930, 9601240, 14401860, 28803720]

約数ペア:

[(1, 28803720), (2, 14401860), (3, 9601240), (4, 7200930), (5, 5760744), (6, 4800620), (8, 3600465), (10, 2880372), (11, 2618520), (12, 2400310), (15, 1920248), (20, 1440186), (22, 1309260), (24, 1200155), (30, 960124), (33, 872840), (40, 720093), (44, 654630), (55, 523704), (60, 480062), (66, 436420), (88, 327315), (110, 261852), (120, 240031), (132, 218210), (165, 174568), (220, 130926), (264, 109105), (330, 87284), (440, 65463), (660, 43642), (1320, 21821)]