18965280

素因数分解:

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

素因数の和:39529

約数の個数: 48

約数和(自身を含む): 59742144

約数和(自身を除く): 40776864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 39511, 79022, 118533, 158044, 197555, 237066, 316088, 395110, 474132, 592665, 632176, 790220, 948264, 1185330, 1264352, 1580440, 1896528, 2370660, 3160880, 3793056, 4741320, 6321760, 9482640, 18965280]

約数ペア:

[(1, 18965280), (2, 9482640), (3, 6321760), (4, 4741320), (5, 3793056), (6, 3160880), (8, 2370660), (10, 1896528), (12, 1580440), (15, 1264352), (16, 1185330), (20, 948264), (24, 790220), (30, 632176), (32, 592665), (40, 474132), (48, 395110), (60, 316088), (80, 237066), (96, 197555), (120, 158044), (160, 118533), (240, 79022), (480, 39511)]