28447920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39511}}^1$

素因数の和:39530

約数の個数: 60

約数和(自身を含む): 95540016

約数和(自身を除く): 67092096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39511, 79022, 118533, 158044, 197555, 237066, 316088, 355599, 395110, 474132, 592665, 632176, 711198, 790220, 948264, 1185330, 1422396, 1580440, 1777995, 1896528, 2370660, 2844792, 3160880, 3555990, 4741320, 5689584, 7111980, 9482640, 14223960, 28447920]

約数ペア:

[(1, 28447920), (2, 14223960), (3, 9482640), (4, 7111980), (5, 5689584), (6, 4741320), (8, 3555990), (9, 3160880), (10, 2844792), (12, 2370660), (15, 1896528), (16, 1777995), (18, 1580440), (20, 1422396), (24, 1185330), (30, 948264), (36, 790220), (40, 711198), (45, 632176), (48, 592665), (60, 474132), (72, 395110), (80, 355599), (90, 316088), (120, 237066), (144, 197555), (180, 158044), (240, 118533), (360, 79022), (720, 39511)]