78680280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13381}}^1$

素因数の和:13409

約数の個数: 96

約数和(自身を含む): 274598640

約数和(自身を除く): 195918360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 13381, 26762, 40143, 53524, 66905, 80286, 93667, 107048, 133810, 160572, 187334, 200715, 267620, 281001, 321144, 374668, 401430, 468335, 535240, 562002, 655669, 749336, 802860, 936670, 1124004, 1311338, 1405005, 1605720, 1873340, 1967007, 2248008, 2622676, 2810010, 3278345, 3746680, 3934014, 5245352, 5620020, 6556690, 7868028, 9835035, 11240040, 13113380, 15736056, 19670070, 26226760, 39340140, 78680280]

約数ペア:

[(1, 78680280), (2, 39340140), (3, 26226760), (4, 19670070), (5, 15736056), (6, 13113380), (7, 11240040), (8, 9835035), (10, 7868028), (12, 6556690), (14, 5620020), (15, 5245352), (20, 3934014), (21, 3746680), (24, 3278345), (28, 2810010), (30, 2622676), (35, 2248008), (40, 1967007), (42, 1873340), (49, 1605720), (56, 1405005), (60, 1311338), (70, 1124004), (84, 936670), (98, 802860), (105, 749336), (120, 655669), (140, 562002), (147, 535240), (168, 468335), (196, 401430), (210, 374668), (245, 321144), (280, 281001), (294, 267620), (392, 200715), (420, 187334), (490, 160572), (588, 133810), (735, 107048), (840, 93667), (980, 80286), (1176, 66905), (1470, 53524), (1960, 40143), (2940, 26762), (5880, 13381)]