1260561920

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:396

約数の個数: 160

約数和(自身を含む): 3205509120

約数和(自身を除く): 1944947200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 79, 80, 92, 115, 128, 158, 160, 184, 230, 256, 271, 316, 320, 368, 395, 460, 512, 542, 632, 640, 736, 790, 920, 1084, 1264, 1280, 1355, 1472, 1580, 1817, 1840, 2168, 2528, 2560, 2710, 2944, 3160, 3634, 3680, 4336, 5056, 5420, 5888, 6233, 6320, 7268, 7360, 8672, 9085, 10112, 10840, 11776, 12466, 12640, 14536, 14720, 17344, 18170, 20224, 21409, 21680, 24932, 25280, 29072, 29440, 31165, 34688, 36340, 40448, 42818, 43360, 49864, 50560, 58144, 58880, 62330, 69376, 72680, 85636, 86720, 99728, 101120, 107045, 116288, 124660, 138752, 145360, 171272, 173440, 199456, 202240, 214090, 232576, 249320, 290720, 342544, 346880, 398912, 428180, 465152, 492407, 498640, 581440, 685088, 693760, 797824, 856360, 930304, 984814, 997280, 1162880, 1370176, 1595648, 1712720, 1969628, 1994560, 2325760, 2462035, 2740352, 3191296, 3425440, 3939256, 3989120, 4651520, 4924070, 5480704, 6850880, 7878512, 7978240, 9848140, 10961408, 13701760, 15757024, 15956480, 19696280, 27403520, 31514048, 39392560, 54807040, 63028096, 78785120, 126056192, 157570240, 252112384, 315140480, 630280960, 1260561920]

約数ペア:

[(1, 1260561920), (2, 630280960), (4, 315140480), (5, 252112384), (8, 157570240), (10, 126056192), (16, 78785120), (20, 63028096), (23, 54807040), (32, 39392560), (40, 31514048), (46, 27403520), (64, 19696280), (79, 15956480), (80, 15757024), (92, 13701760), (115, 10961408), (128, 9848140), (158, 7978240), (160, 7878512), (184, 6850880), (230, 5480704), (256, 4924070), (271, 4651520), (316, 3989120), (320, 3939256), (368, 3425440), (395, 3191296), (460, 2740352), (512, 2462035), (542, 2325760), (632, 1994560), (640, 1969628), (736, 1712720), (790, 1595648), (920, 1370176), (1084, 1162880), (1264, 997280), (1280, 984814), (1355, 930304), (1472, 856360), (1580, 797824), (1817, 693760), (1840, 685088), (2168, 581440), (2528, 498640), (2560, 492407), (2710, 465152), (2944, 428180), (3160, 398912), (3634, 346880), (3680, 342544), (4336, 290720), (5056, 249320), (5420, 232576), (5888, 214090), (6233, 202240), (6320, 199456), (7268, 173440), (7360, 171272), (8672, 145360), (9085, 138752), (10112, 124660), (10840, 116288), (11776, 107045), (12466, 101120), (12640, 99728), (14536, 86720), (14720, 85636), (17344, 72680), (18170, 69376), (20224, 62330), (21409, 58880), (21680, 58144), (24932, 50560), (25280, 49864), (29072, 43360), (29440, 42818), (31165, 40448), (34688, 36340)]