20075040

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1549}}^1$

素因数の和:1576

約数の個数: 120

約数和(自身を含む): 70893900

約数和(自身を除く): 50818860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1549, 1620, 2160, 2592, 3098, 3240, 4320, 4647, 6196, 6480, 7745, 9294, 12392, 12960, 13941, 15490, 18588, 23235, 24784, 27882, 30980, 37176, 41823, 46470, 49568, 55764, 61960, 69705, 74352, 83646, 92940, 111528, 123920, 125469, 139410, 148704, 167292, 185880, 209115, 223056, 247840, 250938, 278820, 334584, 371760, 418230, 446112, 501876, 557640, 627345, 669168, 743520, 836460, 1003752, 1115280, 1254690, 1338336, 1672920, 2007504, 2230560, 2509380, 3345840, 4015008, 5018760, 6691680, 10037520, 20075040]

約数ペア:

[(1, 20075040), (2, 10037520), (3, 6691680), (4, 5018760), (5, 4015008), (6, 3345840), (8, 2509380), (9, 2230560), (10, 2007504), (12, 1672920), (15, 1338336), (16, 1254690), (18, 1115280), (20, 1003752), (24, 836460), (27, 743520), (30, 669168), (32, 627345), (36, 557640), (40, 501876), (45, 446112), (48, 418230), (54, 371760), (60, 334584), (72, 278820), (80, 250938), (81, 247840), (90, 223056), (96, 209115), (108, 185880), (120, 167292), (135, 148704), (144, 139410), (160, 125469), (162, 123920), (180, 111528), (216, 92940), (240, 83646), (270, 74352), (288, 69705), (324, 61960), (360, 55764), (405, 49568), (432, 46470), (480, 41823), (540, 37176), (648, 30980), (720, 27882), (810, 24784), (864, 23235), (1080, 18588), (1296, 15490), (1440, 13941), (1549, 12960), (1620, 12392), (2160, 9294), (2592, 7745), (3098, 6480), (3240, 6196), (4320, 4647)]