81376920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:670

約数の個数: 128

約数和(自身を含む): 273600000

約数和(自身を除く): 192223080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 151, 180, 216, 270, 302, 360, 453, 499, 540, 604, 755, 906, 998, 1080, 1208, 1359, 1497, 1510, 1812, 1996, 2265, 2495, 2718, 2994, 3020, 3624, 3992, 4077, 4491, 4530, 4990, 5436, 5988, 6040, 6795, 7485, 8154, 8982, 9060, 9980, 10872, 11976, 13473, 13590, 14970, 16308, 17964, 18120, 19960, 20385, 22455, 26946, 27180, 29940, 32616, 35928, 40770, 44910, 53892, 54360, 59880, 67365, 75349, 81540, 89820, 107784, 134730, 150698, 163080, 179640, 226047, 269460, 301396, 376745, 452094, 538920, 602792, 678141, 753490, 904188, 1130235, 1356282, 1506980, 1808376, 2034423, 2260470, 2712564, 3013960, 3390705, 4068846, 4520940, 5425128, 6781410, 8137692, 9041880, 10172115, 13562820, 16275384, 20344230, 27125640, 40688460, 81376920]

約数ペア:

[(1, 81376920), (2, 40688460), (3, 27125640), (4, 20344230), (5, 16275384), (6, 13562820), (8, 10172115), (9, 9041880), (10, 8137692), (12, 6781410), (15, 5425128), (18, 4520940), (20, 4068846), (24, 3390705), (27, 3013960), (30, 2712564), (36, 2260470), (40, 2034423), (45, 1808376), (54, 1506980), (60, 1356282), (72, 1130235), (90, 904188), (108, 753490), (120, 678141), (135, 602792), (151, 538920), (180, 452094), (216, 376745), (270, 301396), (302, 269460), (360, 226047), (453, 179640), (499, 163080), (540, 150698), (604, 134730), (755, 107784), (906, 89820), (998, 81540), (1080, 75349), (1208, 67365), (1359, 59880), (1497, 54360), (1510, 53892), (1812, 44910), (1996, 40770), (2265, 35928), (2495, 32616), (2718, 29940), (2994, 27180), (3020, 26946), (3624, 22455), (3992, 20385), (4077, 19960), (4491, 18120), (4530, 17964), (4990, 16308), (5436, 14970), (5988, 13590), (6040, 13473), (6795, 11976), (7485, 10872), (8154, 9980), (8982, 9060)]