400417920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{9931}}^1$

素因数の和:9963

約数の個数: 192

約数和(自身を含む): 1580379840

約数和(自身を除く): 1179961920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 9931, 10080, 13440, 19862, 20160, 29793, 39724, 40320, 49655, 59586, 69517, 79448, 89379, 99310, 119172, 139034, 148965, 158896, 178758, 198620, 208551, 238344, 278068, 297930, 317792, 347585, 357516, 397240, 417102, 446895, 476688, 556136, 595860, 625653, 635584, 695170, 715032, 794480, 834204, 893790, 953376, 1042755, 1112272, 1191720, 1251306, 1271168, 1390340, 1430064, 1588960, 1668408, 1787580, 1906752, 2085510, 2224544, 2383440, 2502612, 2780680, 2860128, 3128265, 3177920, 3336816, 3575160, 3813504, 4171020, 4449088, 4766880, 5005224, 5561360, 5720256, 6256530, 6355840, 6673632, 7150320, 8342040, 8898176, 9533760, 10010448, 11122720, 11440512, 12513060, 13347264, 14300640, 16684080, 19067520, 20020896, 22245440, 25026120, 26694528, 28601280, 33368160, 40041792, 44490880, 50052240, 57202560, 66736320, 80083584, 100104480, 133472640, 200208960, 400417920]

約数ペア:

[(1, 400417920), (2, 200208960), (3, 133472640), (4, 100104480), (5, 80083584), (6, 66736320), (7, 57202560), (8, 50052240), (9, 44490880), (10, 40041792), (12, 33368160), (14, 28601280), (15, 26694528), (16, 25026120), (18, 22245440), (20, 20020896), (21, 19067520), (24, 16684080), (28, 14300640), (30, 13347264), (32, 12513060), (35, 11440512), (36, 11122720), (40, 10010448), (42, 9533760), (45, 8898176), (48, 8342040), (56, 7150320), (60, 6673632), (63, 6355840), (64, 6256530), (70, 5720256), (72, 5561360), (80, 5005224), (84, 4766880), (90, 4449088), (96, 4171020), (105, 3813504), (112, 3575160), (120, 3336816), (126, 3177920), (128, 3128265), (140, 2860128), (144, 2780680), (160, 2502612), (168, 2383440), (180, 2224544), (192, 2085510), (210, 1906752), (224, 1787580), (240, 1668408), (252, 1588960), (280, 1430064), (288, 1390340), (315, 1271168), (320, 1251306), (336, 1191720), (360, 1112272), (384, 1042755), (420, 953376), (448, 893790), (480, 834204), (504, 794480), (560, 715032), (576, 695170), (630, 635584), (640, 625653), (672, 595860), (720, 556136), (840, 476688), (896, 446895), (960, 417102), (1008, 397240), (1120, 357516), (1152, 347585), (1260, 317792), (1344, 297930), (1440, 278068), (1680, 238344), (1920, 208551), (2016, 198620), (2240, 178758), (2520, 158896), (2688, 148965), (2880, 139034), (3360, 119172), (4032, 99310), (4480, 89379), (5040, 79448), (5760, 69517), (6720, 59586), (8064, 49655), (9931, 40320), (10080, 39724), (13440, 29793), (19862, 20160)]