78658160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 160

約数和(自身を含む): 226271232

約数和(自身を除く): 147613072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 161, 184, 197, 217, 230, 248, 280, 310, 322, 368, 394, 434, 460, 496, 560, 620, 644, 713, 788, 805, 868, 920, 985, 1085, 1240, 1288, 1379, 1426, 1576, 1610, 1736, 1840, 1970, 2170, 2480, 2576, 2758, 2852, 3152, 3220, 3472, 3565, 3940, 4340, 4531, 4991, 5516, 5704, 6107, 6440, 6895, 7130, 7880, 8680, 9062, 9982, 11032, 11408, 12214, 12880, 13790, 14260, 15760, 17360, 18124, 19964, 22064, 22655, 24428, 24955, 27580, 28520, 30535, 31717, 36248, 39928, 42749, 45310, 48856, 49910, 55160, 57040, 61070, 63434, 72496, 79856, 85498, 90620, 97712, 99820, 110320, 122140, 126868, 140461, 158585, 170996, 181240, 199640, 213745, 244280, 253736, 280922, 317170, 341992, 362480, 399280, 427490, 488560, 507472, 561844, 634340, 683984, 702305, 854980, 983227, 1123688, 1268680, 1404610, 1709960, 1966454, 2247376, 2537360, 2809220, 3419920, 3932908, 4916135, 5618440, 7865816, 9832270, 11236880, 15731632, 19664540, 39329080, 78658160]

約数ペア:

[(1, 78658160), (2, 39329080), (4, 19664540), (5, 15731632), (7, 11236880), (8, 9832270), (10, 7865816), (14, 5618440), (16, 4916135), (20, 3932908), (23, 3419920), (28, 2809220), (31, 2537360), (35, 2247376), (40, 1966454), (46, 1709960), (56, 1404610), (62, 1268680), (70, 1123688), (80, 983227), (92, 854980), (112, 702305), (115, 683984), (124, 634340), (140, 561844), (155, 507472), (161, 488560), (184, 427490), (197, 399280), (217, 362480), (230, 341992), (248, 317170), (280, 280922), (310, 253736), (322, 244280), (368, 213745), (394, 199640), (434, 181240), (460, 170996), (496, 158585), (560, 140461), (620, 126868), (644, 122140), (713, 110320), (788, 99820), (805, 97712), (868, 90620), (920, 85498), (985, 79856), (1085, 72496), (1240, 63434), (1288, 61070), (1379, 57040), (1426, 55160), (1576, 49910), (1610, 48856), (1736, 45310), (1840, 42749), (1970, 39928), (2170, 36248), (2480, 31717), (2576, 30535), (2758, 28520), (2852, 27580), (3152, 24955), (3220, 24428), (3472, 22655), (3565, 22064), (3940, 19964), (4340, 18124), (4531, 17360), (4991, 15760), (5516, 14260), (5704, 13790), (6107, 12880), (6440, 12214), (6895, 11408), (7130, 11032), (7880, 9982), (8680, 9062)]