217873440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2223

約数の個数: 144

約数和(自身を含む): 754318656

約数和(自身を除く): 536445216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1440, 1704, 2130, 2131, 2272, 2556, 2840, 3195, 3408, 4260, 4262, 5112, 5680, 6390, 6393, 6816, 8520, 8524, 10224, 10655, 11360, 12780, 12786, 17040, 17048, 19179, 20448, 21310, 25560, 25572, 31965, 34080, 34096, 38358, 42620, 51120, 51144, 63930, 68192, 76716, 85240, 95895, 102240, 102288, 127860, 151301, 153432, 170480, 191790, 204576, 255720, 302602, 306864, 340960, 383580, 453903, 511440, 605204, 613728, 756505, 767160, 907806, 1022880, 1210408, 1361709, 1513010, 1534320, 1815612, 2269515, 2420816, 2723418, 3026020, 3068640, 3631224, 4539030, 4841632, 5446836, 6052040, 6808545, 7262448, 9078060, 10893672, 12104080, 13617090, 14524896, 18156120, 21787344, 24208160, 27234180, 36312240, 43574688, 54468360, 72624480, 108936720, 217873440]

約数ペア:

[(1, 217873440), (2, 108936720), (3, 72624480), (4, 54468360), (5, 43574688), (6, 36312240), (8, 27234180), (9, 24208160), (10, 21787344), (12, 18156120), (15, 14524896), (16, 13617090), (18, 12104080), (20, 10893672), (24, 9078060), (30, 7262448), (32, 6808545), (36, 6052040), (40, 5446836), (45, 4841632), (48, 4539030), (60, 3631224), (71, 3068640), (72, 3026020), (80, 2723418), (90, 2420816), (96, 2269515), (120, 1815612), (142, 1534320), (144, 1513010), (160, 1361709), (180, 1210408), (213, 1022880), (240, 907806), (284, 767160), (288, 756505), (355, 613728), (360, 605204), (426, 511440), (480, 453903), (568, 383580), (639, 340960), (710, 306864), (720, 302602), (852, 255720), (1065, 204576), (1136, 191790), (1278, 170480), (1420, 153432), (1440, 151301), (1704, 127860), (2130, 102288), (2131, 102240), (2272, 95895), (2556, 85240), (2840, 76716), (3195, 68192), (3408, 63930), (4260, 51144), (4262, 51120), (5112, 42620), (5680, 38358), (6390, 34096), (6393, 34080), (6816, 31965), (8520, 25572), (8524, 25560), (10224, 21310), (10655, 20448), (11360, 19179), (12780, 17048), (12786, 17040)]