2129220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{3943}}^1$

素因数の和:3961

約数の個数: 48

約数和(自身を含む): 6625920

約数和(自身を除く): 4496700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 3943, 7886, 11829, 15772, 19715, 23658, 35487, 39430, 47316, 59145, 70974, 78860, 106461, 118290, 141948, 177435, 212922, 236580, 354870, 425844, 532305, 709740, 1064610, 2129220]

約数ペア:

[(1, 2129220), (2, 1064610), (3, 709740), (4, 532305), (5, 425844), (6, 354870), (9, 236580), (10, 212922), (12, 177435), (15, 141948), (18, 118290), (20, 106461), (27, 78860), (30, 70974), (36, 59145), (45, 47316), (54, 39430), (60, 35487), (90, 23658), (108, 19715), (135, 15772), (180, 11829), (270, 7886), (540, 3943)]