21567120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1320

約数の個数: 80

約数和(自身を含む): 67828992

約数和(自身を除く): 46261872

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, 1095, 1168, 1231, 1460, 1752, 2190, 2462, 2920, 3504, 3693, 4380, 4924, 5840, 6155, 7386, 8760, 9848, 12310, 14772, 17520, 18465, 19696, 24620, 29544, 36930, 49240, 59088, 73860, 89863, 98480, 147720, 179726, 269589, 295440, 359452, 449315, 539178, 718904, 898630, 1078356, 1347945, 1437808, 1797260, 2156712, 2695890, 3594520, 4313424, 5391780, 7189040, 10783560, 21567120]

約数ペア:

[(1, 21567120), (2, 10783560), (3, 7189040), (4, 5391780), (5, 4313424), (6, 3594520), (8, 2695890), (10, 2156712), (12, 1797260), (15, 1437808), (16, 1347945), (20, 1078356), (24, 898630), (30, 718904), (40, 539178), (48, 449315), (60, 359452), (73, 295440), (80, 269589), (120, 179726), (146, 147720), (219, 98480), (240, 89863), (292, 73860), (365, 59088), (438, 49240), (584, 36930), (730, 29544), (876, 24620), (1095, 19696), (1168, 18465), (1231, 17520), (1460, 14772), (1752, 12310), (2190, 9848), (2462, 8760), (2920, 7386), (3504, 6155), (3693, 5840), (4380, 4924)]