2546640

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{131}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 8936928

約数和(自身を除く): 6390288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 131, 135, 144, 162, 180, 216, 240, 243, 262, 270, 324, 360, 393, 405, 432, 486, 524, 540, 648, 655, 720, 786, 810, 972, 1048, 1080, 1179, 1215, 1296, 1310, 1572, 1620, 1944, 1965, 2096, 2160, 2358, 2430, 2620, 3144, 3240, 3537, 3888, 3930, 4716, 4860, 5240, 5895, 6288, 6480, 7074, 7860, 9432, 9720, 10480, 10611, 11790, 14148, 15720, 17685, 18864, 19440, 21222, 23580, 28296, 31440, 31833, 35370, 42444, 47160, 53055, 56592, 63666, 70740, 84888, 94320, 106110, 127332, 141480, 159165, 169776, 212220, 254664, 282960, 318330, 424440, 509328, 636660, 848880, 1273320, 2546640]

約数ペア:

[(1, 2546640), (2, 1273320), (3, 848880), (4, 636660), (5, 509328), (6, 424440), (8, 318330), (9, 282960), (10, 254664), (12, 212220), (15, 169776), (16, 159165), (18, 141480), (20, 127332), (24, 106110), (27, 94320), (30, 84888), (36, 70740), (40, 63666), (45, 56592), (48, 53055), (54, 47160), (60, 42444), (72, 35370), (80, 31833), (81, 31440), (90, 28296), (108, 23580), (120, 21222), (131, 19440), (135, 18864), (144, 17685), (162, 15720), (180, 14148), (216, 11790), (240, 10611), (243, 10480), (262, 9720), (270, 9432), (324, 7860), (360, 7074), (393, 6480), (405, 6288), (432, 5895), (486, 5240), (524, 4860), (540, 4716), (648, 3930), (655, 3888), (720, 3537), (786, 3240), (810, 3144), (972, 2620), (1048, 2430), (1080, 2358), (1179, 2160), (1215, 2096), (1296, 1965), (1310, 1944), (1572, 1620)]