168287840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 485388288

約数和(自身を除く): 317100448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 37, 40, 56, 62, 70, 74, 80, 112, 124, 131, 140, 148, 155, 160, 185, 217, 224, 248, 259, 262, 280, 296, 310, 370, 434, 496, 518, 524, 560, 592, 620, 655, 740, 868, 917, 992, 1036, 1048, 1085, 1120, 1147, 1184, 1240, 1295, 1310, 1480, 1736, 1834, 2072, 2096, 2170, 2294, 2480, 2590, 2620, 2960, 3472, 3668, 4061, 4144, 4192, 4340, 4585, 4588, 4847, 4960, 5180, 5240, 5735, 5920, 6944, 7336, 8029, 8122, 8288, 8680, 9170, 9176, 9694, 10360, 10480, 11470, 14672, 16058, 16244, 17360, 18340, 18352, 19388, 20305, 20720, 20960, 22940, 24235, 28427, 29344, 32116, 32488, 33929, 34720, 36680, 36704, 38776, 40145, 40610, 41440, 45880, 48470, 56854, 64232, 64976, 67858, 73360, 77552, 80290, 81220, 91760, 96940, 113708, 128464, 129952, 135716, 142135, 146720, 150257, 155104, 160580, 162440, 169645, 183520, 193880, 227416, 256928, 271432, 284270, 300514, 321160, 324880, 339290, 387760, 454832, 542864, 568540, 601028, 642320, 649760, 678580, 751285, 775520, 909664, 1051799, 1085728, 1137080, 1202056, 1284640, 1357160, 1502570, 2103598, 2274160, 2404112, 2714320, 3005140, 4207196, 4548320, 4808224, 5258995, 5428640, 6010280, 8414392, 10517990, 12020560, 16828784, 21035980, 24041120, 33657568, 42071960, 84143920, 168287840]

約数ペア:

[(1, 168287840), (2, 84143920), (4, 42071960), (5, 33657568), (7, 24041120), (8, 21035980), (10, 16828784), (14, 12020560), (16, 10517990), (20, 8414392), (28, 6010280), (31, 5428640), (32, 5258995), (35, 4808224), (37, 4548320), (40, 4207196), (56, 3005140), (62, 2714320), (70, 2404112), (74, 2274160), (80, 2103598), (112, 1502570), (124, 1357160), (131, 1284640), (140, 1202056), (148, 1137080), (155, 1085728), (160, 1051799), (185, 909664), (217, 775520), (224, 751285), (248, 678580), (259, 649760), (262, 642320), (280, 601028), (296, 568540), (310, 542864), (370, 454832), (434, 387760), (496, 339290), (518, 324880), (524, 321160), (560, 300514), (592, 284270), (620, 271432), (655, 256928), (740, 227416), (868, 193880), (917, 183520), (992, 169645), (1036, 162440), (1048, 160580), (1085, 155104), (1120, 150257), (1147, 146720), (1184, 142135), (1240, 135716), (1295, 129952), (1310, 128464), (1480, 113708), (1736, 96940), (1834, 91760), (2072, 81220), (2096, 80290), (2170, 77552), (2294, 73360), (2480, 67858), (2590, 64976), (2620, 64232), (2960, 56854), (3472, 48470), (3668, 45880), (4061, 41440), (4144, 40610), (4192, 40145), (4340, 38776), (4585, 36704), (4588, 36680), (4847, 34720), (4960, 33929), (5180, 32488), (5240, 32116), (5735, 29344), (5920, 28427), (6944, 24235), (7336, 22940), (8029, 20960), (8122, 20720), (8288, 20305), (8680, 19388), (9170, 18352), (9176, 18340), (9694, 17360), (10360, 16244), (10480, 16058), (11470, 14672)]