161971040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13147}}^1$

素因数の和:13180

約数の個数: 96

約数和(自身を含む): 477114624

約数和(自身を除く): 315143584

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 13147, 26294, 52588, 65735, 92029, 105176, 131470, 144617, 184058, 210352, 262940, 289234, 368116, 420704, 460145, 525880, 578468, 723085, 736232, 920290, 1012319, 1051760, 1156936, 1446170, 1472464, 1840580, 2024638, 2103520, 2313872, 2892340, 2944928, 3681160, 4049276, 4627744, 5061595, 5784680, 7362320, 8098552, 10123190, 11569360, 14724640, 16197104, 20246380, 23138720, 32394208, 40492760, 80985520, 161971040]

約数ペア:

[(1, 161971040), (2, 80985520), (4, 40492760), (5, 32394208), (7, 23138720), (8, 20246380), (10, 16197104), (11, 14724640), (14, 11569360), (16, 10123190), (20, 8098552), (22, 7362320), (28, 5784680), (32, 5061595), (35, 4627744), (40, 4049276), (44, 3681160), (55, 2944928), (56, 2892340), (70, 2313872), (77, 2103520), (80, 2024638), (88, 1840580), (110, 1472464), (112, 1446170), (140, 1156936), (154, 1051760), (160, 1012319), (176, 920290), (220, 736232), (224, 723085), (280, 578468), (308, 525880), (352, 460145), (385, 420704), (440, 368116), (560, 289234), (616, 262940), (770, 210352), (880, 184058), (1120, 144617), (1232, 131470), (1540, 105176), (1760, 92029), (2464, 65735), (3080, 52588), (6160, 26294), (12320, 13147)]