330478680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{991}}^1$

素因数の和:1409

約数の個数: 128

約数和(自身を含む): 1137070080

約数和(自身を除く): 806591400

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, 397, 420, 794, 840, 991, 1191, 1588, 1982, 1985, 2382, 2779, 2973, 3176, 3964, 3970, 4764, 4955, 5558, 5946, 5955, 6937, 7928, 7940, 8337, 9528, 9910, 11116, 11892, 11910, 13874, 13895, 14865, 15880, 16674, 19820, 20811, 22232, 23784, 23820, 27748, 27790, 29730, 33348, 34685, 39640, 41622, 41685, 47640, 55496, 55580, 59460, 66696, 69370, 83244, 83370, 104055, 111160, 118920, 138740, 166488, 166740, 208110, 277480, 333480, 393427, 416220, 786854, 832440, 1180281, 1573708, 1967135, 2360562, 2753989, 3147416, 3934270, 4721124, 5507978, 5901405, 7868540, 8261967, 9442248, 11015956, 11802810, 13769945, 15737080, 16523934, 22031912, 23605620, 27539890, 33047868, 41309835, 47211240, 55079780, 66095736, 82619670, 110159560, 165239340, 330478680]

約数ペア:

[(1, 330478680), (2, 165239340), (3, 110159560), (4, 82619670), (5, 66095736), (6, 55079780), (7, 47211240), (8, 41309835), (10, 33047868), (12, 27539890), (14, 23605620), (15, 22031912), (20, 16523934), (21, 15737080), (24, 13769945), (28, 11802810), (30, 11015956), (35, 9442248), (40, 8261967), (42, 7868540), (56, 5901405), (60, 5507978), (70, 4721124), (84, 3934270), (105, 3147416), (120, 2753989), (140, 2360562), (168, 1967135), (210, 1573708), (280, 1180281), (397, 832440), (420, 786854), (794, 416220), (840, 393427), (991, 333480), (1191, 277480), (1588, 208110), (1982, 166740), (1985, 166488), (2382, 138740), (2779, 118920), (2973, 111160), (3176, 104055), (3964, 83370), (3970, 83244), (4764, 69370), (4955, 66696), (5558, 59460), (5946, 55580), (5955, 55496), (6937, 47640), (7928, 41685), (7940, 41622), (8337, 39640), (9528, 34685), (9910, 33348), (11116, 29730), (11892, 27790), (11910, 27748), (13874, 23820), (13895, 23784), (14865, 22232), (15880, 20811), (16674, 19820)]