205154040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18787}}^1$

素因数の和:18821

約数の個数: 128

約数和(自身を含む): 757532160

約数和(自身を除く): 552378120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 18787, 37574, 56361, 75148, 93935, 112722, 131509, 150296, 187870, 225444, 244231, 263018, 281805, 375740, 394527, 450888, 488462, 526036, 563610, 657545, 732693, 751480, 789054, 976924, 1052072, 1127220, 1221155, 1315090, 1465386, 1578108, 1709617, 1953848, 1972635, 2254440, 2442310, 2630180, 2930772, 3156216, 3419234, 3663465, 3945270, 4884620, 5128851, 5260360, 5861544, 6838468, 7326930, 7890540, 8548085, 9769240, 10257702, 13676936, 14653860, 15781080, 17096170, 20515404, 25644255, 29307720, 34192340, 41030808, 51288510, 68384680, 102577020, 205154040]

約数ペア:

[(1, 205154040), (2, 102577020), (3, 68384680), (4, 51288510), (5, 41030808), (6, 34192340), (7, 29307720), (8, 25644255), (10, 20515404), (12, 17096170), (13, 15781080), (14, 14653860), (15, 13676936), (20, 10257702), (21, 9769240), (24, 8548085), (26, 7890540), (28, 7326930), (30, 6838468), (35, 5861544), (39, 5260360), (40, 5128851), (42, 4884620), (52, 3945270), (56, 3663465), (60, 3419234), (65, 3156216), (70, 2930772), (78, 2630180), (84, 2442310), (91, 2254440), (104, 1972635), (105, 1953848), (120, 1709617), (130, 1578108), (140, 1465386), (156, 1315090), (168, 1221155), (182, 1127220), (195, 1052072), (210, 976924), (260, 789054), (273, 751480), (280, 732693), (312, 657545), (364, 563610), (390, 526036), (420, 488462), (455, 450888), (520, 394527), (546, 375740), (728, 281805), (780, 263018), (840, 244231), (910, 225444), (1092, 187870), (1365, 150296), (1560, 131509), (1820, 112722), (2184, 93935), (2730, 75148), (3640, 56361), (5460, 37574), (10920, 18787)]