218388240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43331}}^1$

素因数の和:43357

約数の個数: 120

約数和(自身を含む): 838214208

約数和(自身を除く): 619825968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 43331, 86662, 129993, 173324, 216655, 259986, 303317, 346648, 389979, 433310, 519972, 606634, 649965, 693296, 779958, 866620, 909951, 1039944, 1213268, 1299930, 1516585, 1559916, 1733240, 1819902, 1949895, 2079888, 2426536, 2599860, 2729853, 3033170, 3119832, 3466480, 3639804, 3899790, 4549755, 4853072, 5199720, 5459706, 6066340, 6239664, 7279608, 7799580, 9099510, 10399440, 10919412, 12132680, 13649265, 14559216, 15599160, 18199020, 21838824, 24265360, 27298530, 31198320, 36398040, 43677648, 54597060, 72796080, 109194120, 218388240]

約数ペア:

[(1, 218388240), (2, 109194120), (3, 72796080), (4, 54597060), (5, 43677648), (6, 36398040), (7, 31198320), (8, 27298530), (9, 24265360), (10, 21838824), (12, 18199020), (14, 15599160), (15, 14559216), (16, 13649265), (18, 12132680), (20, 10919412), (21, 10399440), (24, 9099510), (28, 7799580), (30, 7279608), (35, 6239664), (36, 6066340), (40, 5459706), (42, 5199720), (45, 4853072), (48, 4549755), (56, 3899790), (60, 3639804), (63, 3466480), (70, 3119832), (72, 3033170), (80, 2729853), (84, 2599860), (90, 2426536), (105, 2079888), (112, 1949895), (120, 1819902), (126, 1733240), (140, 1559916), (144, 1516585), (168, 1299930), (180, 1213268), (210, 1039944), (240, 909951), (252, 866620), (280, 779958), (315, 693296), (336, 649965), (360, 606634), (420, 519972), (504, 433310), (560, 389979), (630, 346648), (720, 303317), (840, 259986), (1008, 216655), (1260, 173324), (1680, 129993), (2520, 86662), (5040, 43331)]