28441980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22573}}^1$

素因数の和:22595

約数の個数: 72

約数和(自身を含む): 98603232

約数和(自身を除く): 70161252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22573, 45146, 67719, 90292, 112865, 135438, 158011, 203157, 225730, 270876, 316022, 338595, 406314, 451460, 474033, 632044, 677190, 790055, 812628, 948066, 1015785, 1354380, 1422099, 1580110, 1896132, 2031570, 2370165, 2844198, 3160220, 4063140, 4740330, 5688396, 7110495, 9480660, 14220990, 28441980]

約数ペア:

[(1, 28441980), (2, 14220990), (3, 9480660), (4, 7110495), (5, 5688396), (6, 4740330), (7, 4063140), (9, 3160220), (10, 2844198), (12, 2370165), (14, 2031570), (15, 1896132), (18, 1580110), (20, 1422099), (21, 1354380), (28, 1015785), (30, 948066), (35, 812628), (36, 790055), (42, 677190), (45, 632044), (60, 474033), (63, 451460), (70, 406314), (84, 338595), (90, 316022), (105, 270876), (126, 225730), (140, 203157), (180, 158011), (210, 135438), (252, 112865), (315, 90292), (420, 67719), (630, 45146), (1260, 22573)]