56725760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 167575296

約数和(自身を除く): 110849536

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 487, 520, 560, 640, 728, 832, 896, 910, 974, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 1948, 2080, 2240, 2435, 2912, 3328, 3409, 3640, 3896, 4160, 4480, 4870, 5824, 6331, 6818, 7280, 7792, 8320, 8960, 9740, 11648, 12662, 13636, 14560, 15584, 16640, 17045, 19480, 23296, 25324, 27272, 29120, 31168, 31655, 34090, 38960, 44317, 50648, 54544, 58240, 62336, 63310, 68180, 77920, 88634, 101296, 109088, 116480, 124672, 126620, 136360, 155840, 177268, 202592, 218176, 221585, 253240, 272720, 311680, 354536, 405184, 436352, 443170, 506480, 545440, 623360, 709072, 810368, 872704, 886340, 1012960, 1090880, 1418144, 1620736, 1772680, 2025920, 2181760, 2836288, 3545360, 4051840, 4363520, 5672576, 7090720, 8103680, 11345152, 14181440, 28362880, 56725760]

約数ペア:

[(1, 56725760), (2, 28362880), (4, 14181440), (5, 11345152), (7, 8103680), (8, 7090720), (10, 5672576), (13, 4363520), (14, 4051840), (16, 3545360), (20, 2836288), (26, 2181760), (28, 2025920), (32, 1772680), (35, 1620736), (40, 1418144), (52, 1090880), (56, 1012960), (64, 886340), (65, 872704), (70, 810368), (80, 709072), (91, 623360), (104, 545440), (112, 506480), (128, 443170), (130, 436352), (140, 405184), (160, 354536), (182, 311680), (208, 272720), (224, 253240), (256, 221585), (260, 218176), (280, 202592), (320, 177268), (364, 155840), (416, 136360), (448, 126620), (455, 124672), (487, 116480), (520, 109088), (560, 101296), (640, 88634), (728, 77920), (832, 68180), (896, 63310), (910, 62336), (974, 58240), (1040, 54544), (1120, 50648), (1280, 44317), (1456, 38960), (1664, 34090), (1792, 31655), (1820, 31168), (1948, 29120), (2080, 27272), (2240, 25324), (2435, 23296), (2912, 19480), (3328, 17045), (3409, 16640), (3640, 15584), (3896, 14560), (4160, 13636), (4480, 12662), (4870, 11648), (5824, 9740), (6331, 8960), (6818, 8320), (7280, 7792)]