30728280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23279}}^1$

素因数の和:23304

約数の個数: 64

約数和(自身を含む): 100569600

約数和(自身を除く): 69841320

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, 23279, 46558, 69837, 93116, 116395, 139674, 186232, 232790, 256069, 279348, 349185, 465580, 512138, 558696, 698370, 768207, 931160, 1024276, 1280345, 1396740, 1536414, 2048552, 2560690, 2793480, 3072828, 3841035, 5121380, 6145656, 7682070, 10242760, 15364140, 30728280]

約数ペア:

[(1, 30728280), (2, 15364140), (3, 10242760), (4, 7682070), (5, 6145656), (6, 5121380), (8, 3841035), (10, 3072828), (11, 2793480), (12, 2560690), (15, 2048552), (20, 1536414), (22, 1396740), (24, 1280345), (30, 1024276), (33, 931160), (40, 768207), (44, 698370), (55, 558696), (60, 512138), (66, 465580), (88, 349185), (110, 279348), (120, 256069), (132, 232790), (165, 186232), (220, 139674), (264, 116395), (330, 93116), (440, 69837), (660, 46558), (1320, 23279)]