31977120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:363

約数の個数: 192

約数和(自身を含む): 119218176

約数和(自身を除く): 87241056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 307, 310, 336, 372, 420, 434, 465, 480, 496, 560, 614, 620, 651, 672, 744, 840, 868, 921, 930, 992, 1085, 1120, 1228, 1240, 1302, 1488, 1535, 1680, 1736, 1842, 1860, 2149, 2170, 2456, 2480, 2604, 2976, 3070, 3255, 3360, 3472, 3684, 3720, 4298, 4340, 4605, 4912, 4960, 5208, 6140, 6447, 6510, 6944, 7368, 7440, 8596, 8680, 9210, 9517, 9824, 10416, 10745, 12280, 12894, 13020, 14736, 14880, 17192, 17360, 18420, 19034, 20832, 21490, 24560, 25788, 26040, 28551, 29472, 32235, 34384, 34720, 36840, 38068, 42980, 47585, 49120, 51576, 52080, 57102, 64470, 66619, 68768, 73680, 76136, 85960, 95170, 103152, 104160, 114204, 128940, 133238, 142755, 147360, 152272, 171920, 190340, 199857, 206304, 228408, 257880, 266476, 285510, 304544, 333095, 343840, 380680, 399714, 456816, 515760, 532952, 571020, 666190, 761360, 799428, 913632, 999285, 1031520, 1065904, 1142040, 1332380, 1522720, 1598856, 1998570, 2131808, 2284080, 2664760, 3197712, 3997140, 4568160, 5329520, 6395424, 7994280, 10659040, 15988560, 31977120]

約数ペア:

[(1, 31977120), (2, 15988560), (3, 10659040), (4, 7994280), (5, 6395424), (6, 5329520), (7, 4568160), (8, 3997140), (10, 3197712), (12, 2664760), (14, 2284080), (15, 2131808), (16, 1998570), (20, 1598856), (21, 1522720), (24, 1332380), (28, 1142040), (30, 1065904), (31, 1031520), (32, 999285), (35, 913632), (40, 799428), (42, 761360), (48, 666190), (56, 571020), (60, 532952), (62, 515760), (70, 456816), (80, 399714), (84, 380680), (93, 343840), (96, 333095), (105, 304544), (112, 285510), (120, 266476), (124, 257880), (140, 228408), (155, 206304), (160, 199857), (168, 190340), (186, 171920), (210, 152272), (217, 147360), (224, 142755), (240, 133238), (248, 128940), (280, 114204), (307, 104160), (310, 103152), (336, 95170), (372, 85960), (420, 76136), (434, 73680), (465, 68768), (480, 66619), (496, 64470), (560, 57102), (614, 52080), (620, 51576), (651, 49120), (672, 47585), (744, 42980), (840, 38068), (868, 36840), (921, 34720), (930, 34384), (992, 32235), (1085, 29472), (1120, 28551), (1228, 26040), (1240, 25788), (1302, 24560), (1488, 21490), (1535, 20832), (1680, 19034), (1736, 18420), (1842, 17360), (1860, 17192), (2149, 14880), (2170, 14736), (2456, 13020), (2480, 12894), (2604, 12280), (2976, 10745), (3070, 10416), (3255, 9824), (3360, 9517), (3472, 9210), (3684, 8680), (3720, 8596), (4298, 7440), (4340, 7368), (4605, 6944), (4912, 6510), (4960, 6447), (5208, 6140)]