1680778645

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7229}}^1$

素因数の和:7334

約数の個数: 48

約数和(自身を含む): 2561675760

約数和(自身を除く): 880897115

約数列:

[1, 5, 7, 13, 35, 49, 65, 73, 91, 245, 365, 455, 511, 637, 949, 2555, 3185, 3577, 4745, 6643, 7229, 17885, 33215, 36145, 46501, 50603, 93977, 232505, 253015, 354221, 469885, 527717, 657839, 1771105, 2638585, 3289195, 3694019, 4604873, 6860321, 18470095, 23024365, 25858133, 34301605, 48022247, 129290665, 240111235, 336155729, 1680778645]

約数ペア:

[(1, 1680778645), (5, 336155729), (7, 240111235), (13, 129290665), (35, 48022247), (49, 34301605), (65, 25858133), (73, 23024365), (91, 18470095), (245, 6860321), (365, 4604873), (455, 3694019), (511, 3289195), (637, 2638585), (949, 1771105), (2555, 657839), (3185, 527717), (3577, 469885), (4745, 354221), (6643, 253015), (7229, 232505), (17885, 93977), (33215, 50603), (36145, 46501)]