218407140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1787}}^1$

素因数の和:1906

約数の個数: 144

約数和(自身を含む): 765378432

約数和(自身を除く): 546971292

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 180, 194, 210, 252, 291, 315, 388, 420, 485, 582, 630, 679, 873, 970, 1164, 1260, 1358, 1455, 1746, 1787, 1940, 2037, 2716, 2910, 3395, 3492, 3574, 4074, 4365, 5361, 5820, 6111, 6790, 7148, 8148, 8730, 8935, 10185, 10722, 12222, 12509, 13580, 16083, 17460, 17870, 20370, 21444, 24444, 25018, 26805, 30555, 32166, 35740, 37527, 40740, 50036, 53610, 61110, 62545, 64332, 75054, 80415, 107220, 112581, 122220, 125090, 150108, 160830, 173339, 187635, 225162, 250180, 321660, 346678, 375270, 450324, 520017, 562905, 693356, 750540, 866695, 1040034, 1125810, 1213373, 1560051, 1733390, 2080068, 2251620, 2426746, 2600085, 3120102, 3466780, 3640119, 4853492, 5200170, 6066865, 6240204, 7280238, 7800255, 10400340, 10920357, 12133730, 14560476, 15600510, 18200595, 21840714, 24267460, 31201020, 36401190, 43681428, 54601785, 72802380, 109203570, 218407140]

約数ペア:

[(1, 218407140), (2, 109203570), (3, 72802380), (4, 54601785), (5, 43681428), (6, 36401190), (7, 31201020), (9, 24267460), (10, 21840714), (12, 18200595), (14, 15600510), (15, 14560476), (18, 12133730), (20, 10920357), (21, 10400340), (28, 7800255), (30, 7280238), (35, 6240204), (36, 6066865), (42, 5200170), (45, 4853492), (60, 3640119), (63, 3466780), (70, 3120102), (84, 2600085), (90, 2426746), (97, 2251620), (105, 2080068), (126, 1733390), (140, 1560051), (180, 1213373), (194, 1125810), (210, 1040034), (252, 866695), (291, 750540), (315, 693356), (388, 562905), (420, 520017), (485, 450324), (582, 375270), (630, 346678), (679, 321660), (873, 250180), (970, 225162), (1164, 187635), (1260, 173339), (1358, 160830), (1455, 150108), (1746, 125090), (1787, 122220), (1940, 112581), (2037, 107220), (2716, 80415), (2910, 75054), (3395, 64332), (3492, 62545), (3574, 61110), (4074, 53610), (4365, 50036), (5361, 40740), (5820, 37527), (6111, 35740), (6790, 32166), (7148, 30555), (8148, 26805), (8730, 25018), (8935, 24444), (10185, 21444), (10722, 20370), (12222, 17870), (12509, 17460), (13580, 16083)]