243680640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{18131}}^1$

素因数の和:18160

約数の個数: 128

約数和(自身を含む): 887742720

約数和(自身を除く): 644062080

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, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 18131, 36262, 54393, 72524, 90655, 108786, 126917, 145048, 181310, 217572, 253834, 271965, 290096, 362620, 380751, 435144, 507668, 543930, 580192, 634585, 725240, 761502, 870288, 1015336, 1087860, 1160384, 1269170, 1450480, 1523004, 1740576, 1903755, 2030672, 2175720, 2320768, 2538340, 2900960, 3046008, 3481152, 3807510, 4061344, 4351440, 5076680, 5801920, 6092016, 6962304, 7615020, 8122688, 8702880, 10153360, 11603840, 12184032, 15230040, 16245376, 17405760, 20306720, 24368064, 30460080, 34811520, 40613440, 48736128, 60920160, 81226880, 121840320, 243680640]

約数ペア:

[(1, 243680640), (2, 121840320), (3, 81226880), (4, 60920160), (5, 48736128), (6, 40613440), (7, 34811520), (8, 30460080), (10, 24368064), (12, 20306720), (14, 17405760), (15, 16245376), (16, 15230040), (20, 12184032), (21, 11603840), (24, 10153360), (28, 8702880), (30, 8122688), (32, 7615020), (35, 6962304), (40, 6092016), (42, 5801920), (48, 5076680), (56, 4351440), (60, 4061344), (64, 3807510), (70, 3481152), (80, 3046008), (84, 2900960), (96, 2538340), (105, 2320768), (112, 2175720), (120, 2030672), (128, 1903755), (140, 1740576), (160, 1523004), (168, 1450480), (192, 1269170), (210, 1160384), (224, 1087860), (240, 1015336), (280, 870288), (320, 761502), (336, 725240), (384, 634585), (420, 580192), (448, 543930), (480, 507668), (560, 435144), (640, 380751), (672, 362620), (840, 290096), (896, 271965), (960, 253834), (1120, 217572), (1344, 181310), (1680, 145048), (1920, 126917), (2240, 108786), (2688, 90655), (3360, 72524), (4480, 54393), (6720, 36262), (13440, 18131)]