15988560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:361

約数の個数: 160

約数和(自身を含む): 58662912

約数和(自身を除く): 42674352

約数列:

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

約数ペア:

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