157316320

素因数分解:

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

素因数の和:273

約数の個数: 192

約数和(自身を含む): 459841536

約数和(自身を除く): 302525216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 160, 161, 184, 197, 217, 224, 230, 248, 280, 310, 322, 368, 394, 434, 460, 496, 560, 620, 644, 713, 736, 788, 805, 868, 920, 985, 992, 1085, 1120, 1240, 1288, 1379, 1426, 1576, 1610, 1736, 1840, 1970, 2170, 2480, 2576, 2758, 2852, 3152, 3220, 3472, 3565, 3680, 3940, 4340, 4531, 4960, 4991, 5152, 5516, 5704, 6107, 6304, 6440, 6895, 6944, 7130, 7880, 8680, 9062, 9982, 11032, 11408, 12214, 12880, 13790, 14260, 15760, 17360, 18124, 19964, 22064, 22655, 22816, 24428, 24955, 25760, 27580, 28520, 30535, 31520, 31717, 34720, 36248, 39928, 42749, 44128, 45310, 48856, 49910, 55160, 57040, 61070, 63434, 72496, 79856, 85498, 90620, 97712, 99820, 110320, 114080, 122140, 126868, 140461, 144992, 158585, 159712, 170996, 181240, 195424, 199640, 213745, 220640, 244280, 253736, 280922, 317170, 341992, 362480, 399280, 427490, 488560, 507472, 561844, 634340, 683984, 702305, 724960, 798560, 854980, 977120, 983227, 1014944, 1123688, 1268680, 1367968, 1404610, 1709960, 1966454, 2247376, 2537360, 2809220, 3419920, 3932908, 4494752, 4916135, 5074720, 5618440, 6839840, 7865816, 9832270, 11236880, 15731632, 19664540, 22473760, 31463264, 39329080, 78658160, 157316320]

約数ペア:

[(1, 157316320), (2, 78658160), (4, 39329080), (5, 31463264), (7, 22473760), (8, 19664540), (10, 15731632), (14, 11236880), (16, 9832270), (20, 7865816), (23, 6839840), (28, 5618440), (31, 5074720), (32, 4916135), (35, 4494752), (40, 3932908), (46, 3419920), (56, 2809220), (62, 2537360), (70, 2247376), (80, 1966454), (92, 1709960), (112, 1404610), (115, 1367968), (124, 1268680), (140, 1123688), (155, 1014944), (160, 983227), (161, 977120), (184, 854980), (197, 798560), (217, 724960), (224, 702305), (230, 683984), (248, 634340), (280, 561844), (310, 507472), (322, 488560), (368, 427490), (394, 399280), (434, 362480), (460, 341992), (496, 317170), (560, 280922), (620, 253736), (644, 244280), (713, 220640), (736, 213745), (788, 199640), (805, 195424), (868, 181240), (920, 170996), (985, 159712), (992, 158585), (1085, 144992), (1120, 140461), (1240, 126868), (1288, 122140), (1379, 114080), (1426, 110320), (1576, 99820), (1610, 97712), (1736, 90620), (1840, 85498), (1970, 79856), (2170, 72496), (2480, 63434), (2576, 61070), (2758, 57040), (2852, 55160), (3152, 49910), (3220, 48856), (3472, 45310), (3565, 44128), (3680, 42749), (3940, 39928), (4340, 36248), (4531, 34720), (4960, 31717), (4991, 31520), (5152, 30535), (5516, 28520), (5704, 27580), (6107, 25760), (6304, 24955), (6440, 24428), (6895, 22816), (6944, 22655), (7130, 22064), (7880, 19964), (8680, 18124), (9062, 17360), (9982, 15760), (11032, 14260), (11408, 13790), (12214, 12880)]