15357720

素因数分解:

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

素因数の和:457

約数の個数: 128

約数和(自身を含む): 53913600

約数和(自身を除く): 38555880

約数列:

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

約数ペア:

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