201547120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 487468800

約数和(自身を除く): 285921680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 181, 248, 310, 362, 449, 496, 620, 724, 898, 905, 1240, 1448, 1796, 1810, 2245, 2480, 2896, 3592, 3620, 4490, 5611, 7184, 7240, 8980, 11222, 13919, 14480, 17960, 22444, 27838, 28055, 35920, 44888, 55676, 56110, 69595, 81269, 89776, 111352, 112220, 139190, 162538, 222704, 224440, 278380, 325076, 406345, 448880, 556760, 650152, 812690, 1113520, 1300304, 1625380, 2519339, 3250760, 5038678, 6501520, 10077356, 12596695, 20154712, 25193390, 40309424, 50386780, 100773560, 201547120]

約数ペア:

[(1, 201547120), (2, 100773560), (4, 50386780), (5, 40309424), (8, 25193390), (10, 20154712), (16, 12596695), (20, 10077356), (31, 6501520), (40, 5038678), (62, 3250760), (80, 2519339), (124, 1625380), (155, 1300304), (181, 1113520), (248, 812690), (310, 650152), (362, 556760), (449, 448880), (496, 406345), (620, 325076), (724, 278380), (898, 224440), (905, 222704), (1240, 162538), (1448, 139190), (1796, 112220), (1810, 111352), (2245, 89776), (2480, 81269), (2896, 69595), (3592, 56110), (3620, 55676), (4490, 44888), (5611, 35920), (7184, 28055), (7240, 27838), (8980, 22444), (11222, 17960), (13919, 14480)]