77331920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:348

約数の個数: 80

約数和(自身を含む): 186202368

約数和(自身を除く): 108870448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 131, 157, 188, 235, 262, 314, 376, 470, 524, 628, 655, 752, 785, 940, 1048, 1256, 1310, 1570, 1880, 2096, 2512, 2620, 3140, 3760, 5240, 6157, 6280, 7379, 10480, 12314, 12560, 14758, 20567, 24628, 29516, 30785, 36895, 41134, 49256, 59032, 61570, 73790, 82268, 98512, 102835, 118064, 123140, 147580, 164536, 205670, 246280, 295160, 329072, 411340, 492560, 590320, 822680, 966649, 1645360, 1933298, 3866596, 4833245, 7733192, 9666490, 15466384, 19332980, 38665960, 77331920]

約数ペア:

[(1, 77331920), (2, 38665960), (4, 19332980), (5, 15466384), (8, 9666490), (10, 7733192), (16, 4833245), (20, 3866596), (40, 1933298), (47, 1645360), (80, 966649), (94, 822680), (131, 590320), (157, 492560), (188, 411340), (235, 329072), (262, 295160), (314, 246280), (376, 205670), (470, 164536), (524, 147580), (628, 123140), (655, 118064), (752, 102835), (785, 98512), (940, 82268), (1048, 73790), (1256, 61570), (1310, 59032), (1570, 49256), (1880, 41134), (2096, 36895), (2512, 30785), (2620, 29516), (3140, 24628), (3760, 20567), (5240, 14758), (6157, 12560), (6280, 12314), (7379, 10480)]