31015040

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 192

約数和(自身を含む): 92093760

約数和(自身を除く): 61078720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 43, 46, 49, 56, 64, 70, 80, 86, 92, 98, 112, 115, 128, 140, 160, 161, 172, 184, 196, 215, 224, 230, 245, 280, 301, 320, 322, 344, 368, 392, 430, 448, 460, 490, 560, 602, 640, 644, 688, 736, 784, 805, 860, 896, 920, 980, 989, 1120, 1127, 1204, 1288, 1376, 1472, 1505, 1568, 1610, 1720, 1840, 1960, 1978, 2107, 2240, 2254, 2408, 2576, 2752, 2944, 3010, 3136, 3220, 3440, 3680, 3920, 3956, 4214, 4480, 4508, 4816, 4945, 5152, 5504, 5635, 6020, 6272, 6440, 6880, 6923, 7360, 7840, 7912, 8428, 9016, 9632, 9890, 10304, 10535, 11270, 12040, 12880, 13760, 13846, 14720, 15680, 15824, 16856, 18032, 19264, 19780, 20608, 21070, 22540, 24080, 25760, 27520, 27692, 31360, 31648, 33712, 34615, 36064, 38528, 39560, 42140, 45080, 48160, 48461, 51520, 55384, 63296, 67424, 69230, 72128, 79120, 84280, 90160, 96320, 96922, 103040, 110768, 126592, 134848, 138460, 144256, 158240, 168560, 180320, 192640, 193844, 221536, 242305, 269696, 276920, 316480, 337120, 360640, 387688, 443072, 484610, 553840, 632960, 674240, 721280, 775376, 886144, 969220, 1107680, 1348480, 1550752, 1938440, 2215360, 3101504, 3876880, 4430720, 6203008, 7753760, 15507520, 31015040]

約数ペア:

[(1, 31015040), (2, 15507520), (4, 7753760), (5, 6203008), (7, 4430720), (8, 3876880), (10, 3101504), (14, 2215360), (16, 1938440), (20, 1550752), (23, 1348480), (28, 1107680), (32, 969220), (35, 886144), (40, 775376), (43, 721280), (46, 674240), (49, 632960), (56, 553840), (64, 484610), (70, 443072), (80, 387688), (86, 360640), (92, 337120), (98, 316480), (112, 276920), (115, 269696), (128, 242305), (140, 221536), (160, 193844), (161, 192640), (172, 180320), (184, 168560), (196, 158240), (215, 144256), (224, 138460), (230, 134848), (245, 126592), (280, 110768), (301, 103040), (320, 96922), (322, 96320), (344, 90160), (368, 84280), (392, 79120), (430, 72128), (448, 69230), (460, 67424), (490, 63296), (560, 55384), (602, 51520), (640, 48461), (644, 48160), (688, 45080), (736, 42140), (784, 39560), (805, 38528), (860, 36064), (896, 34615), (920, 33712), (980, 31648), (989, 31360), (1120, 27692), (1127, 27520), (1204, 25760), (1288, 24080), (1376, 22540), (1472, 21070), (1505, 20608), (1568, 19780), (1610, 19264), (1720, 18032), (1840, 16856), (1960, 15824), (1978, 15680), (2107, 14720), (2240, 13846), (2254, 13760), (2408, 12880), (2576, 12040), (2752, 11270), (2944, 10535), (3010, 10304), (3136, 9890), (3220, 9632), (3440, 9016), (3680, 8428), (3920, 7912), (3956, 7840), (4214, 7360), (4480, 6923), (4508, 6880), (4816, 6440), (4945, 6272), (5152, 6020), (5504, 5635)]