17887920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1021}}^1$

素因数の和:1110

約数の個数: 80

約数和(自身を含む): 56267232

約数和(自身を除く): 38379312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1021, 1095, 1168, 1460, 1752, 2042, 2190, 2920, 3063, 3504, 4084, 4380, 5105, 5840, 6126, 8168, 8760, 10210, 12252, 15315, 16336, 17520, 20420, 24504, 30630, 40840, 49008, 61260, 74533, 81680, 122520, 149066, 223599, 245040, 298132, 372665, 447198, 596264, 745330, 894396, 1117995, 1192528, 1490660, 1788792, 2235990, 2981320, 3577584, 4471980, 5962640, 8943960, 17887920]

約数ペア:

[(1, 17887920), (2, 8943960), (3, 5962640), (4, 4471980), (5, 3577584), (6, 2981320), (8, 2235990), (10, 1788792), (12, 1490660), (15, 1192528), (16, 1117995), (20, 894396), (24, 745330), (30, 596264), (40, 447198), (48, 372665), (60, 298132), (73, 245040), (80, 223599), (120, 149066), (146, 122520), (219, 81680), (240, 74533), (292, 61260), (365, 49008), (438, 40840), (584, 30630), (730, 24504), (876, 20420), (1021, 17520), (1095, 16336), (1168, 15315), (1460, 12252), (1752, 10210), (2042, 8760), (2190, 8168), (2920, 6126), (3063, 5840), (3504, 5105), (4084, 4380)]