30640680

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{193}}^1$

素因数の和:230

約数の個数: 240

約数和(自身を含む): 120421620

約数和(自身を除く): 89780940

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 193, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 386, 392, 405, 420, 441, 490, 504, 540, 567, 579, 588, 630, 648, 735, 756, 772, 810, 840, 882, 945, 965, 980, 1080, 1134, 1158, 1176, 1260, 1323, 1351, 1470, 1512, 1544, 1620, 1737, 1764, 1890, 1930, 1960, 2205, 2268, 2316, 2520, 2646, 2702, 2835, 2895, 2940, 3240, 3474, 3528, 3780, 3860, 3969, 4053, 4410, 4536, 4632, 5211, 5292, 5404, 5670, 5790, 5880, 6615, 6755, 6948, 7560, 7720, 7938, 8106, 8685, 8820, 9457, 10422, 10584, 10808, 11340, 11580, 12159, 13230, 13510, 13896, 15633, 15876, 16212, 17370, 17640, 18914, 19845, 20265, 20844, 22680, 23160, 24318, 26055, 26460, 27020, 28371, 31266, 31752, 32424, 34740, 36477, 37828, 39690, 40530, 41688, 47285, 48636, 52110, 52920, 54040, 56742, 60795, 62532, 69480, 72954, 75656, 78165, 79380, 81060, 85113, 94570, 97272, 104220, 109431, 113484, 121590, 125064, 141855, 145908, 156330, 158760, 162120, 170226, 182385, 189140, 208440, 218862, 226968, 243180, 255339, 283710, 291816, 312660, 340452, 364770, 378280, 425565, 437724, 486360, 510678, 547155, 567420, 625320, 680904, 729540, 766017, 851130, 875448, 1021356, 1094310, 1134840, 1276695, 1459080, 1532034, 1702260, 2042712, 2188620, 2553390, 3064068, 3404520, 3830085, 4377240, 5106780, 6128136, 7660170, 10213560, 15320340, 30640680]

約数ペア:

[(1, 30640680), (2, 15320340), (3, 10213560), (4, 7660170), (5, 6128136), (6, 5106780), (7, 4377240), (8, 3830085), (9, 3404520), (10, 3064068), (12, 2553390), (14, 2188620), (15, 2042712), (18, 1702260), (20, 1532034), (21, 1459080), (24, 1276695), (27, 1134840), (28, 1094310), (30, 1021356), (35, 875448), (36, 851130), (40, 766017), (42, 729540), (45, 680904), (49, 625320), (54, 567420), (56, 547155), (60, 510678), (63, 486360), (70, 437724), (72, 425565), (81, 378280), (84, 364770), (90, 340452), (98, 312660), (105, 291816), (108, 283710), (120, 255339), (126, 243180), (135, 226968), (140, 218862), (147, 208440), (162, 189140), (168, 182385), (180, 170226), (189, 162120), (193, 158760), (196, 156330), (210, 145908), (216, 141855), (245, 125064), (252, 121590), (270, 113484), (280, 109431), (294, 104220), (315, 97272), (324, 94570), (360, 85113), (378, 81060), (386, 79380), (392, 78165), (405, 75656), (420, 72954), (441, 69480), (490, 62532), (504, 60795), (540, 56742), (567, 54040), (579, 52920), (588, 52110), (630, 48636), (648, 47285), (735, 41688), (756, 40530), (772, 39690), (810, 37828), (840, 36477), (882, 34740), (945, 32424), (965, 31752), (980, 31266), (1080, 28371), (1134, 27020), (1158, 26460), (1176, 26055), (1260, 24318), (1323, 23160), (1351, 22680), (1470, 20844), (1512, 20265), (1544, 19845), (1620, 18914), (1737, 17640), (1764, 17370), (1890, 16212), (1930, 15876), (1960, 15633), (2205, 13896), (2268, 13510), (2316, 13230), (2520, 12159), (2646, 11580), (2702, 11340), (2835, 10808), (2895, 10584), (2940, 10422), (3240, 9457), (3474, 8820), (3528, 8685), (3780, 8106), (3860, 7938), (3969, 7720), (4053, 7560), (4410, 6948), (4536, 6755), (4632, 6615), (5211, 5880), (5292, 5790), (5404, 5670)]