39546720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{947}}^1$

素因数の和:997

約数の個数: 144

約数和(自身を含む): 139754160

約数和(自身を除く): 100207440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 870, 928, 947, 1044, 1160, 1305, 1392, 1440, 1740, 1894, 2088, 2320, 2610, 2784, 2841, 3480, 3788, 4176, 4640, 4735, 5220, 5682, 6960, 7576, 8352, 8523, 9470, 10440, 11364, 13920, 14205, 15152, 17046, 18940, 20880, 22728, 27463, 28410, 30304, 34092, 37880, 41760, 42615, 45456, 54926, 56820, 68184, 75760, 82389, 85230, 90912, 109852, 113640, 136368, 137315, 151520, 164778, 170460, 219704, 227280, 247167, 272736, 274630, 329556, 340920, 411945, 439408, 454560, 494334, 549260, 659112, 681840, 823890, 878816, 988668, 1098520, 1235835, 1318224, 1363680, 1647780, 1977336, 2197040, 2471670, 2636448, 3295560, 3954672, 4394080, 4943340, 6591120, 7909344, 9886680, 13182240, 19773360, 39546720]

約数ペア:

[(1, 39546720), (2, 19773360), (3, 13182240), (4, 9886680), (5, 7909344), (6, 6591120), (8, 4943340), (9, 4394080), (10, 3954672), (12, 3295560), (15, 2636448), (16, 2471670), (18, 2197040), (20, 1977336), (24, 1647780), (29, 1363680), (30, 1318224), (32, 1235835), (36, 1098520), (40, 988668), (45, 878816), (48, 823890), (58, 681840), (60, 659112), (72, 549260), (80, 494334), (87, 454560), (90, 439408), (96, 411945), (116, 340920), (120, 329556), (144, 274630), (145, 272736), (160, 247167), (174, 227280), (180, 219704), (232, 170460), (240, 164778), (261, 151520), (288, 137315), (290, 136368), (348, 113640), (360, 109852), (435, 90912), (464, 85230), (480, 82389), (522, 75760), (580, 68184), (696, 56820), (720, 54926), (870, 45456), (928, 42615), (947, 41760), (1044, 37880), (1160, 34092), (1305, 30304), (1392, 28410), (1440, 27463), (1740, 22728), (1894, 20880), (2088, 18940), (2320, 17046), (2610, 15152), (2784, 14205), (2841, 13920), (3480, 11364), (3788, 10440), (4176, 9470), (4640, 8523), (4735, 8352), (5220, 7576), (5682, 6960)]