9990780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2281}}^1$

素因数の和:2366

約数の個数: 48

約数和(自身を含む): 28369824

約数和(自身を除く): 18379044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 2281, 4380, 4562, 6843, 9124, 11405, 13686, 22810, 27372, 34215, 45620, 68430, 136860, 166513, 333026, 499539, 666052, 832565, 999078, 1665130, 1998156, 2497695, 3330260, 4995390, 9990780]

約数ペア:

[(1, 9990780), (2, 4995390), (3, 3330260), (4, 2497695), (5, 1998156), (6, 1665130), (10, 999078), (12, 832565), (15, 666052), (20, 499539), (30, 333026), (60, 166513), (73, 136860), (146, 68430), (219, 45620), (292, 34215), (365, 27372), (438, 22810), (730, 13686), (876, 11405), (1095, 9124), (1460, 6843), (2190, 4562), (2281, 4380)]