217515120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{906313}}^1$

素因数の和:906329

約数の個数: 40

約数和(自身を含む): 674297616

約数和(自身を除く): 456782496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 906313, 1812626, 2718939, 3625252, 4531565, 5437878, 7250504, 9063130, 10875756, 13594695, 14501008, 18126260, 21751512, 27189390, 36252520, 43503024, 54378780, 72505040, 108757560, 217515120]

約数ペア:

[(1, 217515120), (2, 108757560), (3, 72505040), (4, 54378780), (5, 43503024), (6, 36252520), (8, 27189390), (10, 21751512), (12, 18126260), (15, 14501008), (16, 13594695), (20, 10875756), (24, 9063130), (30, 7250504), (40, 5437878), (48, 4531565), (60, 3625252), (80, 2718939), (120, 1812626), (240, 906313)]