15740270

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 35683200

約数和(自身を除く): 19942930

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 343, 353, 455, 490, 637, 686, 706, 910, 1274, 1715, 1765, 2471, 3185, 3430, 3530, 4459, 4589, 4942, 6370, 8918, 9178, 12355, 17297, 22295, 22945, 24710, 32123, 34594, 44590, 45890, 64246, 86485, 121079, 160615, 172970, 224861, 242158, 321230, 449722, 605395, 1124305, 1210790, 1574027, 2248610, 3148054, 7870135, 15740270]

約数ペア:

[(1, 15740270), (2, 7870135), (5, 3148054), (7, 2248610), (10, 1574027), (13, 1210790), (14, 1124305), (26, 605395), (35, 449722), (49, 321230), (65, 242158), (70, 224861), (91, 172970), (98, 160615), (130, 121079), (182, 86485), (245, 64246), (343, 45890), (353, 44590), (455, 34594), (490, 32123), (637, 24710), (686, 22945), (706, 22295), (910, 17297), (1274, 12355), (1715, 9178), (1765, 8918), (2471, 6370), (3185, 4942), (3430, 4589), (3530, 4459)]