31927280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:175

約数の個数: 160

約数和(自身を含む): 95136768

約数和(自身を除く): 63209488

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 73, 77, 80, 88, 110, 112, 140, 142, 146, 154, 176, 220, 280, 284, 292, 308, 355, 365, 385, 440, 497, 511, 560, 568, 584, 616, 710, 730, 770, 781, 803, 880, 994, 1022, 1136, 1168, 1232, 1420, 1460, 1540, 1562, 1606, 1988, 2044, 2485, 2555, 2840, 2920, 3080, 3124, 3212, 3905, 3976, 4015, 4088, 4970, 5110, 5183, 5467, 5621, 5680, 5840, 6160, 6248, 6424, 7810, 7952, 8030, 8176, 9940, 10220, 10366, 10934, 11242, 12496, 12848, 15620, 16060, 19880, 20440, 20732, 21868, 22484, 25915, 27335, 28105, 31240, 32120, 36281, 39760, 40880, 41464, 43736, 44968, 51830, 54670, 56210, 57013, 62480, 64240, 72562, 82928, 87472, 89936, 103660, 109340, 112420, 114026, 145124, 181405, 207320, 218680, 224840, 228052, 285065, 290248, 362810, 399091, 414640, 437360, 449680, 456104, 570130, 580496, 725620, 798182, 912208, 1140260, 1451240, 1596364, 1995455, 2280520, 2902480, 3192728, 3990910, 4561040, 6385456, 7981820, 15963640, 31927280]

約数ペア:

[(1, 31927280), (2, 15963640), (4, 7981820), (5, 6385456), (7, 4561040), (8, 3990910), (10, 3192728), (11, 2902480), (14, 2280520), (16, 1995455), (20, 1596364), (22, 1451240), (28, 1140260), (35, 912208), (40, 798182), (44, 725620), (55, 580496), (56, 570130), (70, 456104), (71, 449680), (73, 437360), (77, 414640), (80, 399091), (88, 362810), (110, 290248), (112, 285065), (140, 228052), (142, 224840), (146, 218680), (154, 207320), (176, 181405), (220, 145124), (280, 114026), (284, 112420), (292, 109340), (308, 103660), (355, 89936), (365, 87472), (385, 82928), (440, 72562), (497, 64240), (511, 62480), (560, 57013), (568, 56210), (584, 54670), (616, 51830), (710, 44968), (730, 43736), (770, 41464), (781, 40880), (803, 39760), (880, 36281), (994, 32120), (1022, 31240), (1136, 28105), (1168, 27335), (1232, 25915), (1420, 22484), (1460, 21868), (1540, 20732), (1562, 20440), (1606, 19880), (1988, 16060), (2044, 15620), (2485, 12848), (2555, 12496), (2840, 11242), (2920, 10934), (3080, 10366), (3124, 10220), (3212, 9940), (3905, 8176), (3976, 8030), (4015, 7952), (4088, 7810), (4970, 6424), (5110, 6248), (5183, 6160), (5467, 5840), (5621, 5680)]