15638790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 39278016

約数和(自身を除く): 23639226

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 73, 74, 111, 146, 185, 193, 219, 222, 365, 370, 386, 438, 555, 579, 730, 965, 1095, 1110, 1158, 1930, 2190, 2701, 2895, 5402, 5790, 7141, 8103, 13505, 14089, 14282, 16206, 21423, 27010, 28178, 35705, 40515, 42267, 42846, 70445, 71410, 81030, 84534, 107115, 140890, 211335, 214230, 422670, 521293, 1042586, 1563879, 2606465, 3127758, 5212930, 7819395, 15638790]

約数ペア:

[(1, 15638790), (2, 7819395), (3, 5212930), (5, 3127758), (6, 2606465), (10, 1563879), (15, 1042586), (30, 521293), (37, 422670), (73, 214230), (74, 211335), (111, 140890), (146, 107115), (185, 84534), (193, 81030), (219, 71410), (222, 70445), (365, 42846), (370, 42267), (386, 40515), (438, 35705), (555, 28178), (579, 27010), (730, 21423), (965, 16206), (1095, 14282), (1110, 14089), (1158, 13505), (1930, 8103), (2190, 7141), (2701, 5790), (2895, 5402)]