13072840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 33659640

約数和(自身を除く): 20586800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 73, 74, 88, 110, 121, 146, 148, 185, 220, 242, 292, 296, 365, 370, 407, 440, 484, 584, 605, 730, 740, 803, 814, 968, 1210, 1460, 1480, 1606, 1628, 2035, 2420, 2701, 2920, 3212, 3256, 4015, 4070, 4477, 4840, 5402, 6424, 8030, 8140, 8833, 8954, 10804, 13505, 16060, 16280, 17666, 17908, 21608, 22385, 27010, 29711, 32120, 35332, 35816, 44165, 44770, 54020, 59422, 70664, 88330, 89540, 108040, 118844, 148555, 176660, 179080, 237688, 297110, 326821, 353320, 594220, 653642, 1188440, 1307284, 1634105, 2614568, 3268210, 6536420, 13072840]

約数ペア:

[(1, 13072840), (2, 6536420), (4, 3268210), (5, 2614568), (8, 1634105), (10, 1307284), (11, 1188440), (20, 653642), (22, 594220), (37, 353320), (40, 326821), (44, 297110), (55, 237688), (73, 179080), (74, 176660), (88, 148555), (110, 118844), (121, 108040), (146, 89540), (148, 88330), (185, 70664), (220, 59422), (242, 54020), (292, 44770), (296, 44165), (365, 35816), (370, 35332), (407, 32120), (440, 29711), (484, 27010), (584, 22385), (605, 21608), (730, 17908), (740, 17666), (803, 16280), (814, 16060), (968, 13505), (1210, 10804), (1460, 8954), (1480, 8833), (1606, 8140), (1628, 8030), (2035, 6424), (2420, 5402), (2701, 4840), (2920, 4477), (3212, 4070), (3256, 4015)]