30715440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 160

約数和(自身を含む): 111421440

約数和(自身を除く): 80706000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 105, 112, 120, 140, 141, 168, 188, 210, 235, 240, 280, 282, 329, 336, 376, 389, 420, 470, 560, 564, 658, 705, 752, 778, 840, 940, 987, 1128, 1167, 1316, 1410, 1556, 1645, 1680, 1880, 1945, 1974, 2256, 2334, 2632, 2723, 2820, 3112, 3290, 3760, 3890, 3948, 4668, 4935, 5264, 5446, 5640, 5835, 6224, 6580, 7780, 7896, 8169, 9336, 9870, 10892, 11280, 11670, 13160, 13615, 15560, 15792, 16338, 18283, 18672, 19740, 21784, 23340, 26320, 27230, 31120, 32676, 36566, 39480, 40845, 43568, 46680, 54460, 54849, 65352, 73132, 78960, 81690, 91415, 93360, 108920, 109698, 127981, 130704, 146264, 163380, 182830, 217840, 219396, 255962, 274245, 292528, 326760, 365660, 383943, 438792, 511924, 548490, 639905, 653520, 731320, 767886, 877584, 1023848, 1096980, 1279810, 1462640, 1535772, 1919715, 2047696, 2193960, 2559620, 3071544, 3839430, 4387920, 5119240, 6143088, 7678860, 10238480, 15357720, 30715440]

約数ペア:

[(1, 30715440), (2, 15357720), (3, 10238480), (4, 7678860), (5, 6143088), (6, 5119240), (7, 4387920), (8, 3839430), (10, 3071544), (12, 2559620), (14, 2193960), (15, 2047696), (16, 1919715), (20, 1535772), (21, 1462640), (24, 1279810), (28, 1096980), (30, 1023848), (35, 877584), (40, 767886), (42, 731320), (47, 653520), (48, 639905), (56, 548490), (60, 511924), (70, 438792), (80, 383943), (84, 365660), (94, 326760), (105, 292528), (112, 274245), (120, 255962), (140, 219396), (141, 217840), (168, 182830), (188, 163380), (210, 146264), (235, 130704), (240, 127981), (280, 109698), (282, 108920), (329, 93360), (336, 91415), (376, 81690), (389, 78960), (420, 73132), (470, 65352), (560, 54849), (564, 54460), (658, 46680), (705, 43568), (752, 40845), (778, 39480), (840, 36566), (940, 32676), (987, 31120), (1128, 27230), (1167, 26320), (1316, 23340), (1410, 21784), (1556, 19740), (1645, 18672), (1680, 18283), (1880, 16338), (1945, 15792), (1974, 15560), (2256, 13615), (2334, 13160), (2632, 11670), (2723, 11280), (2820, 10892), (3112, 9870), (3290, 9336), (3760, 8169), (3890, 7896), (3948, 7780), (4668, 6580), (4935, 6224), (5264, 5835), (5446, 5640)]