217251120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{905213}}^1$

素因数の和:905229

約数の個数: 40

約数和(自身を含む): 673479216

約数和(自身を除く): 456228096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 905213, 1810426, 2715639, 3620852, 4526065, 5431278, 7241704, 9052130, 10862556, 13578195, 14483408, 18104260, 21725112, 27156390, 36208520, 43450224, 54312780, 72417040, 108625560, 217251120]

約数ペア:

[(1, 217251120), (2, 108625560), (3, 72417040), (4, 54312780), (5, 43450224), (6, 36208520), (8, 27156390), (10, 21725112), (12, 18104260), (15, 14483408), (16, 13578195), (20, 10862556), (24, 9052130), (30, 7241704), (40, 5431278), (48, 4526065), (60, 3620852), (80, 2715639), (120, 1810426), (240, 905213)]