15648490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 34255872

約数和(自身を除く): 18607382

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 353, 403, 682, 706, 715, 806, 1430, 1705, 1765, 2015, 3410, 3530, 3883, 4030, 4433, 4589, 7766, 8866, 9178, 10943, 19415, 21886, 22165, 22945, 38830, 44330, 45890, 50479, 54715, 100958, 109430, 120373, 142259, 240746, 252395, 284518, 504790, 601865, 711295, 1203730, 1422590, 1564849, 3129698, 7824245, 15648490]

約数ペア:

[(1, 15648490), (2, 7824245), (5, 3129698), (10, 1564849), (11, 1422590), (13, 1203730), (22, 711295), (26, 601865), (31, 504790), (55, 284518), (62, 252395), (65, 240746), (110, 142259), (130, 120373), (143, 109430), (155, 100958), (286, 54715), (310, 50479), (341, 45890), (353, 44330), (403, 38830), (682, 22945), (706, 22165), (715, 21886), (806, 19415), (1430, 10943), (1705, 9178), (1765, 8866), (2015, 7766), (3410, 4589), (3530, 4433), (3883, 4030)]