213831480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{3571}}^1$

素因数の和:4084

約数の個数: 64

約数和(自身を含む): 642960000

約数和(自身を除く): 429128520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 499, 998, 1497, 1996, 2495, 2994, 3571, 3992, 4990, 5988, 7142, 7485, 9980, 10713, 11976, 14284, 14970, 17855, 19960, 21426, 28568, 29940, 35710, 42852, 53565, 59880, 71420, 85704, 107130, 142840, 214260, 428520, 1781929, 3563858, 5345787, 7127716, 8909645, 10691574, 14255432, 17819290, 21383148, 26728935, 35638580, 42766296, 53457870, 71277160, 106915740, 213831480]

約数ペア:

[(1, 213831480), (2, 106915740), (3, 71277160), (4, 53457870), (5, 42766296), (6, 35638580), (8, 26728935), (10, 21383148), (12, 17819290), (15, 14255432), (20, 10691574), (24, 8909645), (30, 7127716), (40, 5345787), (60, 3563858), (120, 1781929), (499, 428520), (998, 214260), (1497, 142840), (1996, 107130), (2495, 85704), (2994, 71420), (3571, 59880), (3992, 53565), (4990, 42852), (5988, 35710), (7142, 29940), (7485, 28568), (9980, 21426), (10713, 19960), (11976, 17855), (14284, 14970)]