17960320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 51897600

約数和(自身を除く): 33937280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 211, 224, 266, 280, 304, 320, 380, 422, 448, 532, 560, 608, 640, 665, 760, 844, 896, 1055, 1064, 1120, 1216, 1330, 1477, 1520, 1688, 2110, 2128, 2240, 2432, 2660, 2954, 3040, 3376, 4009, 4220, 4256, 4480, 5320, 5908, 6080, 6752, 7385, 8018, 8440, 8512, 10640, 11816, 12160, 13504, 14770, 16036, 16880, 17024, 20045, 21280, 23632, 27008, 28063, 29540, 32072, 33760, 40090, 42560, 47264, 56126, 59080, 64144, 67520, 80180, 85120, 94528, 112252, 118160, 128288, 135040, 140315, 160360, 189056, 224504, 236320, 256576, 280630, 320720, 449008, 472640, 513152, 561260, 641440, 898016, 945280, 1122520, 1282880, 1796032, 2245040, 2565760, 3592064, 4490080, 8980160, 17960320]

約数ペア:

[(1, 17960320), (2, 8980160), (4, 4490080), (5, 3592064), (7, 2565760), (8, 2245040), (10, 1796032), (14, 1282880), (16, 1122520), (19, 945280), (20, 898016), (28, 641440), (32, 561260), (35, 513152), (38, 472640), (40, 449008), (56, 320720), (64, 280630), (70, 256576), (76, 236320), (80, 224504), (95, 189056), (112, 160360), (128, 140315), (133, 135040), (140, 128288), (152, 118160), (160, 112252), (190, 94528), (211, 85120), (224, 80180), (266, 67520), (280, 64144), (304, 59080), (320, 56126), (380, 47264), (422, 42560), (448, 40090), (532, 33760), (560, 32072), (608, 29540), (640, 28063), (665, 27008), (760, 23632), (844, 21280), (896, 20045), (1055, 17024), (1064, 16880), (1120, 16036), (1216, 14770), (1330, 13504), (1477, 12160), (1520, 11816), (1688, 10640), (2110, 8512), (2128, 8440), (2240, 8018), (2432, 7385), (2660, 6752), (2954, 6080), (3040, 5908), (3376, 5320), (4009, 4480), (4220, 4256)]