1296240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 4392576

約数和(自身を除く): 3096336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 491, 528, 660, 880, 982, 1320, 1473, 1964, 2455, 2640, 2946, 3928, 4910, 5401, 5892, 7365, 7856, 9820, 10802, 11784, 14730, 16203, 19640, 21604, 23568, 27005, 29460, 32406, 39280, 43208, 54010, 58920, 64812, 81015, 86416, 108020, 117840, 129624, 162030, 216040, 259248, 324060, 432080, 648120, 1296240]

約数ペア:

[(1, 1296240), (2, 648120), (3, 432080), (4, 324060), (5, 259248), (6, 216040), (8, 162030), (10, 129624), (11, 117840), (12, 108020), (15, 86416), (16, 81015), (20, 64812), (22, 58920), (24, 54010), (30, 43208), (33, 39280), (40, 32406), (44, 29460), (48, 27005), (55, 23568), (60, 21604), (66, 19640), (80, 16203), (88, 14730), (110, 11784), (120, 10802), (132, 9820), (165, 7856), (176, 7365), (220, 5892), (240, 5401), (264, 4910), (330, 3928), (440, 2946), (491, 2640), (528, 2455), (660, 1964), (880, 1473), (982, 1320)]