78129240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 269637120

約数和(自身を除く): 191507880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 281, 331, 420, 562, 662, 840, 843, 993, 1124, 1324, 1405, 1655, 1686, 1967, 1986, 2248, 2317, 2648, 2810, 3310, 3372, 3934, 3972, 4215, 4634, 4965, 5620, 5901, 6620, 6744, 6951, 7868, 7944, 8430, 9268, 9835, 9930, 11240, 11585, 11802, 13240, 13902, 15736, 16860, 18536, 19670, 19860, 23170, 23604, 27804, 29505, 33720, 34755, 39340, 39720, 46340, 47208, 55608, 59010, 69510, 78680, 92680, 93011, 118020, 139020, 186022, 236040, 278040, 279033, 372044, 465055, 558066, 651077, 744088, 930110, 1116132, 1302154, 1395165, 1860220, 1953231, 2232264, 2604308, 2790330, 3255385, 3720440, 3906462, 5208616, 5580660, 6510770, 7812924, 9766155, 11161320, 13021540, 15625848, 19532310, 26043080, 39064620, 78129240]

約数ペア:

[(1, 78129240), (2, 39064620), (3, 26043080), (4, 19532310), (5, 15625848), (6, 13021540), (7, 11161320), (8, 9766155), (10, 7812924), (12, 6510770), (14, 5580660), (15, 5208616), (20, 3906462), (21, 3720440), (24, 3255385), (28, 2790330), (30, 2604308), (35, 2232264), (40, 1953231), (42, 1860220), (56, 1395165), (60, 1302154), (70, 1116132), (84, 930110), (105, 744088), (120, 651077), (140, 558066), (168, 465055), (210, 372044), (280, 279033), (281, 278040), (331, 236040), (420, 186022), (562, 139020), (662, 118020), (840, 93011), (843, 92680), (993, 78680), (1124, 69510), (1324, 59010), (1405, 55608), (1655, 47208), (1686, 46340), (1967, 39720), (1986, 39340), (2248, 34755), (2317, 33720), (2648, 29505), (2810, 27804), (3310, 23604), (3372, 23170), (3934, 19860), (3972, 19670), (4215, 18536), (4634, 16860), (4965, 15736), (5620, 13902), (5901, 13240), (6620, 11802), (6744, 11585), (6951, 11240), (7868, 9930), (7944, 9835), (8430, 9268)]