81191040

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{863}}^1$

素因数の和:899

約数の個数: 192

約数和(自身を含む): 301397760

約数和(自身を除く): 220206720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 863, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1726, 1920, 1960, 2240, 2352, 2589, 2688, 2940, 3136, 3360, 3452, 3920, 4315, 4480, 4704, 5178, 5880, 6041, 6272, 6720, 6904, 7840, 8630, 9408, 10356, 11760, 12082, 12945, 13440, 13808, 15680, 17260, 18123, 18816, 20712, 23520, 24164, 25890, 27616, 30205, 31360, 34520, 36246, 41424, 42287, 47040, 48328, 51780, 55232, 60410, 69040, 72492, 82848, 84574, 90615, 94080, 96656, 103560, 110464, 120820, 126861, 138080, 144984, 165696, 169148, 181230, 193312, 207120, 211435, 241640, 253722, 276160, 289968, 331392, 338296, 362460, 386624, 414240, 422870, 483280, 507444, 552320, 579936, 634305, 676592, 724920, 773248, 828480, 845740, 966560, 1014888, 1159872, 1268610, 1353184, 1449840, 1656960, 1691480, 1933120, 2029776, 2319744, 2537220, 2706368, 2899680, 3382960, 3866240, 4059552, 5074440, 5412736, 5799360, 6765920, 8119104, 10148880, 11598720, 13531840, 16238208, 20297760, 27063680, 40595520, 81191040]

約数ペア:

[(1, 81191040), (2, 40595520), (3, 27063680), (4, 20297760), (5, 16238208), (6, 13531840), (7, 11598720), (8, 10148880), (10, 8119104), (12, 6765920), (14, 5799360), (15, 5412736), (16, 5074440), (20, 4059552), (21, 3866240), (24, 3382960), (28, 2899680), (30, 2706368), (32, 2537220), (35, 2319744), (40, 2029776), (42, 1933120), (48, 1691480), (49, 1656960), (56, 1449840), (60, 1353184), (64, 1268610), (70, 1159872), (80, 1014888), (84, 966560), (96, 845740), (98, 828480), (105, 773248), (112, 724920), (120, 676592), (128, 634305), (140, 579936), (147, 552320), (160, 507444), (168, 483280), (192, 422870), (196, 414240), (210, 386624), (224, 362460), (240, 338296), (245, 331392), (280, 289968), (294, 276160), (320, 253722), (336, 241640), (384, 211435), (392, 207120), (420, 193312), (448, 181230), (480, 169148), (490, 165696), (560, 144984), (588, 138080), (640, 126861), (672, 120820), (735, 110464), (784, 103560), (840, 96656), (863, 94080), (896, 90615), (960, 84574), (980, 82848), (1120, 72492), (1176, 69040), (1344, 60410), (1470, 55232), (1568, 51780), (1680, 48328), (1726, 47040), (1920, 42287), (1960, 41424), (2240, 36246), (2352, 34520), (2589, 31360), (2688, 30205), (2940, 27616), (3136, 25890), (3360, 24164), (3452, 23520), (3920, 20712), (4315, 18816), (4480, 18123), (4704, 17260), (5178, 15680), (5880, 13808), (6041, 13440), (6272, 12945), (6720, 12082), (6904, 11760), (7840, 10356), (8630, 9408)]