31188480

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 160

約数和(自身を含む): 103707648

約数和(自身を除く): 72519168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 131, 155, 160, 186, 192, 240, 248, 256, 262, 310, 320, 372, 384, 393, 465, 480, 496, 512, 524, 620, 640, 655, 744, 768, 786, 930, 960, 992, 1048, 1240, 1280, 1310, 1488, 1536, 1572, 1860, 1920, 1965, 1984, 2096, 2480, 2560, 2620, 2976, 3144, 3720, 3840, 3930, 3968, 4061, 4192, 4960, 5240, 5952, 6288, 7440, 7680, 7860, 7936, 8122, 8384, 9920, 10480, 11904, 12183, 12576, 14880, 15720, 15872, 16244, 16768, 19840, 20305, 20960, 23808, 24366, 25152, 29760, 31440, 32488, 33536, 39680, 40610, 41920, 47616, 48732, 50304, 59520, 60915, 62880, 64976, 67072, 79360, 81220, 83840, 97464, 100608, 119040, 121830, 125760, 129952, 162440, 167680, 194928, 201216, 238080, 243660, 251520, 259904, 324880, 335360, 389856, 487320, 503040, 519808, 649760, 779712, 974640, 1006080, 1039616, 1299520, 1559424, 1949280, 2079232, 2599040, 3118848, 3898560, 5198080, 6237696, 7797120, 10396160, 15594240, 31188480]

約数ペア:

[(1, 31188480), (2, 15594240), (3, 10396160), (4, 7797120), (5, 6237696), (6, 5198080), (8, 3898560), (10, 3118848), (12, 2599040), (15, 2079232), (16, 1949280), (20, 1559424), (24, 1299520), (30, 1039616), (31, 1006080), (32, 974640), (40, 779712), (48, 649760), (60, 519808), (62, 503040), (64, 487320), (80, 389856), (93, 335360), (96, 324880), (120, 259904), (124, 251520), (128, 243660), (131, 238080), (155, 201216), (160, 194928), (186, 167680), (192, 162440), (240, 129952), (248, 125760), (256, 121830), (262, 119040), (310, 100608), (320, 97464), (372, 83840), (384, 81220), (393, 79360), (465, 67072), (480, 64976), (496, 62880), (512, 60915), (524, 59520), (620, 50304), (640, 48732), (655, 47616), (744, 41920), (768, 40610), (786, 39680), (930, 33536), (960, 32488), (992, 31440), (1048, 29760), (1240, 25152), (1280, 24366), (1310, 23808), (1488, 20960), (1536, 20305), (1572, 19840), (1860, 16768), (1920, 16244), (1965, 15872), (1984, 15720), (2096, 14880), (2480, 12576), (2560, 12183), (2620, 11904), (2976, 10480), (3144, 9920), (3720, 8384), (3840, 8122), (3930, 7936), (3968, 7860), (4061, 7680), (4192, 7440), (4960, 6288), (5240, 5952)]