210205440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 216

約数和(自身を含む): 740402208

約数和(自身を除く): 530196768

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, 514, 568, 576, 639, 640, 710, 720, 768, 771, 852, 960, 1028, 1065, 1136, 1152, 1278, 1280, 1285, 1420, 1440, 1542, 1704, 1920, 2056, 2130, 2272, 2304, 2313, 2556, 2570, 2840, 2880, 3084, 3195, 3408, 3840, 3855, 4112, 4260, 4544, 4626, 5112, 5140, 5680, 5760, 6168, 6390, 6816, 7710, 8224, 8520, 9088, 9252, 10224, 10280, 11360, 11520, 11565, 12336, 12780, 13632, 15420, 16448, 17040, 18176, 18247, 18504, 20448, 20560, 22720, 23130, 24672, 25560, 27264, 30840, 32896, 34080, 36494, 37008, 40896, 41120, 45440, 46260, 49344, 51120, 54528, 54741, 61680, 65792, 68160, 72988, 74016, 81792, 82240, 90880, 91235, 92520, 98688, 102240, 109482, 123360, 136320, 145976, 148032, 163584, 164223, 164480, 182470, 185040, 197376, 204480, 218964, 246720, 272640, 273705, 291952, 296064, 328446, 328960, 364940, 370080, 408960, 437928, 493440, 547410, 583904, 592128, 656892, 729880, 740160, 817920, 821115, 875856, 986880, 1094820, 1167808, 1313784, 1459760, 1480320, 1642230, 1751712, 2189640, 2335616, 2627568, 2919520, 2960640, 3284460, 3503424, 4379280, 4671232, 5255136, 5839040, 6568920, 7006848, 8758560, 10510272, 11678080, 13137840, 14013696, 17517120, 21020544, 23356160, 26275680, 35034240, 42041088, 52551360, 70068480, 105102720, 210205440]

約数ペア:

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