31428320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2551}}^1$

素因数の和:2584

約数の個数: 96

約数和(自身を含む): 92606976

約数和(自身を除く): 61178656

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 2551, 3080, 5102, 6160, 10204, 12320, 12755, 17857, 20408, 25510, 28061, 35714, 40816, 51020, 56122, 71428, 81632, 89285, 102040, 112244, 140305, 142856, 178570, 196427, 204080, 224488, 280610, 285712, 357140, 392854, 408160, 448976, 561220, 571424, 714280, 785708, 897952, 982135, 1122440, 1428560, 1571416, 1964270, 2244880, 2857120, 3142832, 3928540, 4489760, 6285664, 7857080, 15714160, 31428320]

約数ペア:

[(1, 31428320), (2, 15714160), (4, 7857080), (5, 6285664), (7, 4489760), (8, 3928540), (10, 3142832), (11, 2857120), (14, 2244880), (16, 1964270), (20, 1571416), (22, 1428560), (28, 1122440), (32, 982135), (35, 897952), (40, 785708), (44, 714280), (55, 571424), (56, 561220), (70, 448976), (77, 408160), (80, 392854), (88, 357140), (110, 285712), (112, 280610), (140, 224488), (154, 204080), (160, 196427), (176, 178570), (220, 142856), (224, 140305), (280, 112244), (308, 102040), (352, 89285), (385, 81632), (440, 71428), (560, 56122), (616, 51020), (770, 40816), (880, 35714), (1120, 28061), (1232, 25510), (1540, 20408), (1760, 17857), (2464, 12755), (2551, 12320), (3080, 10204), (5102, 6160)]