28354920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21481}}^1$

素因数の和:21506

約数の個数: 64

約数和(自身を含む): 92802240

約数和(自身を除く): 64447320

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, 21481, 42962, 64443, 85924, 107405, 128886, 171848, 214810, 236291, 257772, 322215, 429620, 472582, 515544, 644430, 708873, 859240, 945164, 1181455, 1288860, 1417746, 1890328, 2362910, 2577720, 2835492, 3544365, 4725820, 5670984, 7088730, 9451640, 14177460, 28354920]

約数ペア:

[(1, 28354920), (2, 14177460), (3, 9451640), (4, 7088730), (5, 5670984), (6, 4725820), (8, 3544365), (10, 2835492), (11, 2577720), (12, 2362910), (15, 1890328), (20, 1417746), (22, 1288860), (24, 1181455), (30, 945164), (33, 859240), (40, 708873), (44, 644430), (55, 515544), (60, 472582), (66, 429620), (88, 322215), (110, 257772), (120, 236291), (132, 214810), (165, 171848), (220, 128886), (264, 107405), (330, 85924), (440, 64443), (660, 42962), (1320, 21481)]