420410880

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 240

約数和(自身を含む): 1482253344

約数和(自身を除く): 1061842464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 128, 142, 144, 160, 180, 192, 213, 240, 256, 257, 284, 288, 320, 355, 360, 384, 426, 480, 512, 514, 568, 576, 639, 640, 710, 720, 768, 771, 852, 960, 1028, 1065, 1136, 1152, 1278, 1280, 1285, 1420, 1440, 1536, 1542, 1704, 1920, 2056, 2130, 2272, 2304, 2313, 2556, 2560, 2570, 2840, 2880, 3084, 3195, 3408, 3840, 3855, 4112, 4260, 4544, 4608, 4626, 5112, 5140, 5680, 5760, 6168, 6390, 6816, 7680, 7710, 8224, 8520, 9088, 9252, 10224, 10280, 11360, 11520, 11565, 12336, 12780, 13632, 15420, 16448, 17040, 18176, 18247, 18504, 20448, 20560, 22720, 23040, 23130, 24672, 25560, 27264, 30840, 32896, 34080, 36352, 36494, 37008, 40896, 41120, 45440, 46260, 49344, 51120, 54528, 54741, 61680, 65792, 68160, 72988, 74016, 81792, 82240, 90880, 91235, 92520, 98688, 102240, 109056, 109482, 123360, 131584, 136320, 145976, 148032, 163584, 164223, 164480, 181760, 182470, 185040, 197376, 204480, 218964, 246720, 272640, 273705, 291952, 296064, 327168, 328446, 328960, 364940, 370080, 394752, 408960, 437928, 493440, 545280, 547410, 583904, 592128, 656892, 657920, 729880, 740160, 817920, 821115, 875856, 986880, 1094820, 1167808, 1184256, 1313784, 1459760, 1480320, 1635840, 1642230, 1751712, 1973760, 2189640, 2335616, 2627568, 2919520, 2960640, 3284460, 3503424, 4379280, 4671232, 5255136, 5839040, 5921280, 6568920, 7006848, 8758560, 9342464, 10510272, 11678080, 13137840, 14013696, 17517120, 21020544, 23356160, 26275680, 28027392, 35034240, 42041088, 46712320, 52551360, 70068480, 84082176, 105102720, 140136960, 210205440, 420410880]

約数ペア:

[(1, 420410880), (2, 210205440), (3, 140136960), (4, 105102720), (5, 84082176), (6, 70068480), (8, 52551360), (9, 46712320), (10, 42041088), (12, 35034240), (15, 28027392), (16, 26275680), (18, 23356160), (20, 21020544), (24, 17517120), (30, 14013696), (32, 13137840), (36, 11678080), (40, 10510272), (45, 9342464), (48, 8758560), (60, 7006848), (64, 6568920), (71, 5921280), (72, 5839040), (80, 5255136), (90, 4671232), (96, 4379280), (120, 3503424), (128, 3284460), (142, 2960640), (144, 2919520), (160, 2627568), (180, 2335616), (192, 2189640), (213, 1973760), (240, 1751712), (256, 1642230), (257, 1635840), (284, 1480320), (288, 1459760), (320, 1313784), (355, 1184256), (360, 1167808), (384, 1094820), (426, 986880), (480, 875856), (512, 821115), (514, 817920), (568, 740160), (576, 729880), (639, 657920), (640, 656892), (710, 592128), (720, 583904), (768, 547410), (771, 545280), (852, 493440), (960, 437928), (1028, 408960), (1065, 394752), (1136, 370080), (1152, 364940), (1278, 328960), (1280, 328446), (1285, 327168), (1420, 296064), (1440, 291952), (1536, 273705), (1542, 272640), (1704, 246720), (1920, 218964), (2056, 204480), (2130, 197376), (2272, 185040), (2304, 182470), (2313, 181760), (2556, 164480), (2560, 164223), (2570, 163584), (2840, 148032), (2880, 145976), (3084, 136320), (3195, 131584), (3408, 123360), (3840, 109482), (3855, 109056), (4112, 102240), (4260, 98688), (4544, 92520), (4608, 91235), (4626, 90880), (5112, 82240), (5140, 81792), (5680, 74016), (5760, 72988), (6168, 68160), (6390, 65792), (6816, 61680), (7680, 54741), (7710, 54528), (8224, 51120), (8520, 49344), (9088, 46260), (9252, 45440), (10224, 41120), (10280, 40896), (11360, 37008), (11520, 36494), (11565, 36352), (12336, 34080), (12780, 32896), (13632, 30840), (15420, 27264), (16448, 25560), (17040, 24672), (18176, 23130), (18247, 23040), (18504, 22720), (20448, 20560)]