280538640

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{14431}}^1$

素因数の和:14459

約数の個数: 120

約数和(自身を含む): 977104128

約数和(自身を除く): 696565488

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, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 14431, 19440, 28862, 43293, 57724, 72155, 86586, 115448, 129879, 144310, 173172, 216465, 230896, 259758, 288620, 346344, 389637, 432930, 519516, 577240, 649395, 692688, 779274, 865860, 1039032, 1154480, 1168911, 1298790, 1558548, 1731720, 1948185, 2078064, 2337822, 2597580, 3117096, 3463440, 3506733, 3896370, 4675644, 5195160, 5844555, 6234192, 7013466, 7792740, 9351288, 10390320, 11689110, 14026932, 15585480, 17533665, 18702576, 23378220, 28053864, 31170960, 35067330, 46756440, 56107728, 70134660, 93512880, 140269320, 280538640]

約数ペア:

[(1, 280538640), (2, 140269320), (3, 93512880), (4, 70134660), (5, 56107728), (6, 46756440), (8, 35067330), (9, 31170960), (10, 28053864), (12, 23378220), (15, 18702576), (16, 17533665), (18, 15585480), (20, 14026932), (24, 11689110), (27, 10390320), (30, 9351288), (36, 7792740), (40, 7013466), (45, 6234192), (48, 5844555), (54, 5195160), (60, 4675644), (72, 3896370), (80, 3506733), (81, 3463440), (90, 3117096), (108, 2597580), (120, 2337822), (135, 2078064), (144, 1948185), (162, 1731720), (180, 1558548), (216, 1298790), (240, 1168911), (243, 1154480), (270, 1039032), (324, 865860), (360, 779274), (405, 692688), (432, 649395), (486, 577240), (540, 519516), (648, 432930), (720, 389637), (810, 346344), (972, 288620), (1080, 259758), (1215, 230896), (1296, 216465), (1620, 173172), (1944, 144310), (2160, 129879), (2430, 115448), (3240, 86586), (3888, 72155), (4860, 57724), (6480, 43293), (9720, 28862), (14431, 19440)]