31844120

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 91584000

約数和(自身を除く): 59739880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 211, 220, 245, 280, 308, 343, 385, 392, 422, 440, 490, 539, 616, 686, 770, 844, 980, 1055, 1078, 1372, 1477, 1540, 1688, 1715, 1960, 2110, 2156, 2321, 2695, 2744, 2954, 3080, 3430, 3773, 4220, 4312, 4642, 5390, 5908, 6860, 7385, 7546, 8440, 9284, 10339, 10780, 11605, 11816, 13720, 14770, 15092, 16247, 18568, 18865, 20678, 21560, 23210, 29540, 30184, 32494, 37730, 41356, 46420, 51695, 59080, 64988, 72373, 75460, 81235, 82712, 92840, 103390, 113729, 129976, 144746, 150920, 162470, 206780, 227458, 289492, 324940, 361865, 413560, 454916, 568645, 578984, 649880, 723730, 796103, 909832, 1137290, 1447460, 1592206, 2274580, 2894920, 3184412, 3980515, 4549160, 6368824, 7961030, 15922060, 31844120]

約数ペア:

[(1, 31844120), (2, 15922060), (4, 7961030), (5, 6368824), (7, 4549160), (8, 3980515), (10, 3184412), (11, 2894920), (14, 2274580), (20, 1592206), (22, 1447460), (28, 1137290), (35, 909832), (40, 796103), (44, 723730), (49, 649880), (55, 578984), (56, 568645), (70, 454916), (77, 413560), (88, 361865), (98, 324940), (110, 289492), (140, 227458), (154, 206780), (196, 162470), (211, 150920), (220, 144746), (245, 129976), (280, 113729), (308, 103390), (343, 92840), (385, 82712), (392, 81235), (422, 75460), (440, 72373), (490, 64988), (539, 59080), (616, 51695), (686, 46420), (770, 41356), (844, 37730), (980, 32494), (1055, 30184), (1078, 29540), (1372, 23210), (1477, 21560), (1540, 20678), (1688, 18865), (1715, 18568), (1960, 16247), (2110, 15092), (2156, 14770), (2321, 13720), (2695, 11816), (2744, 11605), (2954, 10780), (3080, 10339), (3430, 9284), (3773, 8440), (4220, 7546), (4312, 7385), (4642, 6860), (5390, 5908)]