178601920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1218

約数の個数: 112

約数和(自身を含む): 493337088

約数和(自身を除く): 314735168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 710, 994, 1120, 1123, 1136, 1420, 1988, 2240, 2246, 2272, 2485, 2840, 3976, 4492, 4544, 4970, 5615, 5680, 7861, 7952, 8984, 9940, 11230, 11360, 15722, 15904, 17968, 19880, 22460, 22720, 31444, 31808, 35936, 39305, 39760, 44920, 62888, 71872, 78610, 79520, 79733, 89840, 125776, 157220, 159040, 159466, 179680, 251552, 314440, 318932, 359360, 398665, 503104, 558131, 628880, 637864, 797330, 1116262, 1257760, 1275728, 1594660, 2232524, 2515520, 2551456, 2790655, 3189320, 4465048, 5102912, 5581310, 6378640, 8930096, 11162620, 12757280, 17860192, 22325240, 25514560, 35720384, 44650480, 89300960, 178601920]

約数ペア:

[(1, 178601920), (2, 89300960), (4, 44650480), (5, 35720384), (7, 25514560), (8, 22325240), (10, 17860192), (14, 12757280), (16, 11162620), (20, 8930096), (28, 6378640), (32, 5581310), (35, 5102912), (40, 4465048), (56, 3189320), (64, 2790655), (70, 2551456), (71, 2515520), (80, 2232524), (112, 1594660), (140, 1275728), (142, 1257760), (160, 1116262), (224, 797330), (280, 637864), (284, 628880), (320, 558131), (355, 503104), (448, 398665), (497, 359360), (560, 318932), (568, 314440), (710, 251552), (994, 179680), (1120, 159466), (1123, 159040), (1136, 157220), (1420, 125776), (1988, 89840), (2240, 79733), (2246, 79520), (2272, 78610), (2485, 71872), (2840, 62888), (3976, 44920), (4492, 39760), (4544, 39305), (4970, 35936), (5615, 31808), (5680, 31444), (7861, 22720), (7952, 22460), (8984, 19880), (9940, 17968), (11230, 15904), (11360, 15722)]