166355840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:620

約数の個数: 128

約数和(自身を含む): 461790720

約数和(自身を除く): 295434880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 523, 560, 568, 640, 710, 896, 994, 1046, 1120, 1136, 1420, 1988, 2092, 2240, 2272, 2485, 2615, 2840, 3661, 3976, 4184, 4480, 4544, 4970, 5230, 5680, 7322, 7952, 8368, 9088, 9940, 10460, 11360, 14644, 15904, 16736, 18305, 19880, 20920, 22720, 29288, 31808, 33472, 36610, 37133, 39760, 41840, 45440, 58576, 63616, 66944, 73220, 74266, 79520, 83680, 117152, 146440, 148532, 159040, 167360, 185665, 234304, 259931, 292880, 297064, 318080, 334720, 371330, 468608, 519862, 585760, 594128, 742660, 1039724, 1171520, 1188256, 1299655, 1485320, 2079448, 2343040, 2376512, 2599310, 2970640, 4158896, 4753024, 5198620, 5941280, 8317792, 10397240, 11882560, 16635584, 20794480, 23765120, 33271168, 41588960, 83177920, 166355840]

約数ペア:

[(1, 166355840), (2, 83177920), (4, 41588960), (5, 33271168), (7, 23765120), (8, 20794480), (10, 16635584), (14, 11882560), (16, 10397240), (20, 8317792), (28, 5941280), (32, 5198620), (35, 4753024), (40, 4158896), (56, 2970640), (64, 2599310), (70, 2376512), (71, 2343040), (80, 2079448), (112, 1485320), (128, 1299655), (140, 1188256), (142, 1171520), (160, 1039724), (224, 742660), (280, 594128), (284, 585760), (320, 519862), (355, 468608), (448, 371330), (497, 334720), (523, 318080), (560, 297064), (568, 292880), (640, 259931), (710, 234304), (896, 185665), (994, 167360), (1046, 159040), (1120, 148532), (1136, 146440), (1420, 117152), (1988, 83680), (2092, 79520), (2240, 74266), (2272, 73220), (2485, 66944), (2615, 63616), (2840, 58576), (3661, 45440), (3976, 41840), (4184, 39760), (4480, 37133), (4544, 36610), (4970, 33472), (5230, 31808), (5680, 29288), (7322, 22720), (7952, 20920), (8368, 19880), (9088, 18305), (9940, 16736), (10460, 15904), (11360, 14644)]