172399360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 480356352

約数和(自身を除く): 307956992

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, 256, 271, 280, 284, 320, 355, 448, 497, 542, 560, 568, 640, 710, 896, 994, 1084, 1120, 1136, 1280, 1355, 1420, 1792, 1897, 1988, 2168, 2240, 2272, 2485, 2710, 2840, 3794, 3976, 4336, 4480, 4544, 4970, 5420, 5680, 7588, 7952, 8672, 8960, 9088, 9485, 9940, 10840, 11360, 15176, 15904, 17344, 18176, 18970, 19241, 19880, 21680, 22720, 30352, 31808, 34688, 37940, 38482, 39760, 43360, 45440, 60704, 63616, 69376, 75880, 76964, 79520, 86720, 90880, 96205, 121408, 127232, 134687, 151760, 153928, 159040, 173440, 192410, 242816, 269374, 303520, 307856, 318080, 346880, 384820, 485632, 538748, 607040, 615712, 636160, 673435, 769640, 1077496, 1214080, 1231424, 1346870, 1539280, 2154992, 2428160, 2462848, 2693740, 3078560, 4309984, 4925696, 5387480, 6157120, 8619968, 10774960, 12314240, 17239936, 21549920, 24628480, 34479872, 43099840, 86199680, 172399360]

約数ペア:

[(1, 172399360), (2, 86199680), (4, 43099840), (5, 34479872), (7, 24628480), (8, 21549920), (10, 17239936), (14, 12314240), (16, 10774960), (20, 8619968), (28, 6157120), (32, 5387480), (35, 4925696), (40, 4309984), (56, 3078560), (64, 2693740), (70, 2462848), (71, 2428160), (80, 2154992), (112, 1539280), (128, 1346870), (140, 1231424), (142, 1214080), (160, 1077496), (224, 769640), (256, 673435), (271, 636160), (280, 615712), (284, 607040), (320, 538748), (355, 485632), (448, 384820), (497, 346880), (542, 318080), (560, 307856), (568, 303520), (640, 269374), (710, 242816), (896, 192410), (994, 173440), (1084, 159040), (1120, 153928), (1136, 151760), (1280, 134687), (1355, 127232), (1420, 121408), (1792, 96205), (1897, 90880), (1988, 86720), (2168, 79520), (2240, 76964), (2272, 75880), (2485, 69376), (2710, 63616), (2840, 60704), (3794, 45440), (3976, 43360), (4336, 39760), (4480, 38482), (4544, 37940), (4970, 34688), (5420, 31808), (5680, 30352), (7588, 22720), (7952, 21680), (8672, 19880), (8960, 19241), (9088, 18970), (9485, 18176), (9940, 17344), (10840, 15904), (11360, 15176)]