18298560

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{389}}^1$

素因数の和:423

約数の個数: 168

約数和(自身を含む): 67757040

約数和(自身を除く): 49458480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 389, 392, 420, 448, 480, 490, 560, 588, 672, 735, 778, 784, 840, 960, 980, 1120, 1167, 1176, 1344, 1470, 1556, 1568, 1680, 1945, 1960, 2240, 2334, 2352, 2723, 2940, 3112, 3136, 3360, 3890, 3920, 4668, 4704, 5446, 5835, 5880, 6224, 6720, 7780, 7840, 8169, 9336, 9408, 10892, 11670, 11760, 12448, 13615, 15560, 15680, 16338, 18672, 19061, 21784, 23340, 23520, 24896, 27230, 31120, 32676, 37344, 38122, 40845, 43568, 46680, 47040, 54460, 57183, 62240, 65352, 74688, 76244, 81690, 87136, 93360, 95305, 108920, 114366, 124480, 130704, 152488, 163380, 174272, 186720, 190610, 217840, 228732, 261408, 285915, 304976, 326760, 373440, 381220, 435680, 457464, 522816, 571830, 609952, 653520, 762440, 871360, 914928, 1143660, 1219904, 1307040, 1524880, 1829856, 2287320, 2614080, 3049760, 3659712, 4574640, 6099520, 9149280, 18298560]

約数ペア:

[(1, 18298560), (2, 9149280), (3, 6099520), (4, 4574640), (5, 3659712), (6, 3049760), (7, 2614080), (8, 2287320), (10, 1829856), (12, 1524880), (14, 1307040), (15, 1219904), (16, 1143660), (20, 914928), (21, 871360), (24, 762440), (28, 653520), (30, 609952), (32, 571830), (35, 522816), (40, 457464), (42, 435680), (48, 381220), (49, 373440), (56, 326760), (60, 304976), (64, 285915), (70, 261408), (80, 228732), (84, 217840), (96, 190610), (98, 186720), (105, 174272), (112, 163380), (120, 152488), (140, 130704), (147, 124480), (160, 114366), (168, 108920), (192, 95305), (196, 93360), (210, 87136), (224, 81690), (240, 76244), (245, 74688), (280, 65352), (294, 62240), (320, 57183), (336, 54460), (389, 47040), (392, 46680), (420, 43568), (448, 40845), (480, 38122), (490, 37344), (560, 32676), (588, 31120), (672, 27230), (735, 24896), (778, 23520), (784, 23340), (840, 21784), (960, 19061), (980, 18672), (1120, 16338), (1167, 15680), (1176, 15560), (1344, 13615), (1470, 12448), (1556, 11760), (1568, 11670), (1680, 10892), (1945, 9408), (1960, 9336), (2240, 8169), (2334, 7840), (2352, 7780), (2723, 6720), (2940, 6224), (3112, 5880), (3136, 5835), (3360, 5446), (3890, 4704), (3920, 4668)]