218384880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2131}}^1$

素因数の和:2215

約数の個数: 160

約数和(自身を含む): 786759168

約数和(自身を除く): 568374288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 305, 336, 366, 420, 427, 488, 560, 610, 732, 840, 854, 915, 976, 1220, 1281, 1464, 1680, 1708, 1830, 2131, 2135, 2440, 2562, 2928, 3416, 3660, 4262, 4270, 4880, 5124, 6393, 6405, 6832, 7320, 8524, 8540, 10248, 10655, 12786, 12810, 14640, 14917, 17048, 17080, 20496, 21310, 25572, 25620, 29834, 31965, 34096, 34160, 42620, 44751, 51144, 51240, 59668, 63930, 74585, 85240, 89502, 102288, 102480, 119336, 127860, 129991, 149170, 170480, 179004, 223755, 238672, 255720, 259982, 298340, 358008, 389973, 447510, 511440, 519964, 596680, 649955, 716016, 779946, 895020, 909937, 1039928, 1193360, 1299910, 1559892, 1790040, 1819874, 1949865, 2079856, 2599820, 2729811, 3119784, 3580080, 3639748, 3899730, 4549685, 5199640, 5459622, 6239568, 7279496, 7799460, 9099370, 10399280, 10919244, 13649055, 14558992, 15598920, 18198740, 21838488, 27298110, 31197840, 36397480, 43676976, 54596220, 72794960, 109192440, 218384880]

約数ペア:

[(1, 218384880), (2, 109192440), (3, 72794960), (4, 54596220), (5, 43676976), (6, 36397480), (7, 31197840), (8, 27298110), (10, 21838488), (12, 18198740), (14, 15598920), (15, 14558992), (16, 13649055), (20, 10919244), (21, 10399280), (24, 9099370), (28, 7799460), (30, 7279496), (35, 6239568), (40, 5459622), (42, 5199640), (48, 4549685), (56, 3899730), (60, 3639748), (61, 3580080), (70, 3119784), (80, 2729811), (84, 2599820), (105, 2079856), (112, 1949865), (120, 1819874), (122, 1790040), (140, 1559892), (168, 1299910), (183, 1193360), (210, 1039928), (240, 909937), (244, 895020), (280, 779946), (305, 716016), (336, 649955), (366, 596680), (420, 519964), (427, 511440), (488, 447510), (560, 389973), (610, 358008), (732, 298340), (840, 259982), (854, 255720), (915, 238672), (976, 223755), (1220, 179004), (1281, 170480), (1464, 149170), (1680, 129991), (1708, 127860), (1830, 119336), (2131, 102480), (2135, 102288), (2440, 89502), (2562, 85240), (2928, 74585), (3416, 63930), (3660, 59668), (4262, 51240), (4270, 51144), (4880, 44751), (5124, 42620), (6393, 34160), (6405, 34096), (6832, 31965), (7320, 29834), (8524, 25620), (8540, 25572), (10248, 21310), (10655, 20496), (12786, 17080), (12810, 17048), (14640, 14917)]