1299760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 3785472

約数和(自身を除く): 2485712

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 211, 220, 280, 308, 385, 422, 440, 560, 616, 770, 844, 880, 1055, 1232, 1477, 1540, 1688, 2110, 2321, 2954, 3080, 3376, 4220, 4642, 5908, 6160, 7385, 8440, 9284, 11605, 11816, 14770, 16247, 16880, 18568, 23210, 23632, 29540, 32494, 37136, 46420, 59080, 64988, 81235, 92840, 118160, 129976, 162470, 185680, 259952, 324940, 649880, 1299760]

約数ペア:

[(1, 1299760), (2, 649880), (4, 324940), (5, 259952), (7, 185680), (8, 162470), (10, 129976), (11, 118160), (14, 92840), (16, 81235), (20, 64988), (22, 59080), (28, 46420), (35, 37136), (40, 32494), (44, 29540), (55, 23632), (56, 23210), (70, 18568), (77, 16880), (80, 16247), (88, 14770), (110, 11816), (112, 11605), (140, 9284), (154, 8440), (176, 7385), (211, 6160), (220, 5908), (280, 4642), (308, 4220), (385, 3376), (422, 3080), (440, 2954), (560, 2321), (616, 2110), (770, 1688), (844, 1540), (880, 1477), (1055, 1232)]