278503920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{42979}}^1$

素因数の和:43004

約数の個数: 100

約数和(自身を含む): 967307880

約数和(自身を除く): 688803960

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, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 42979, 85958, 128937, 171916, 214895, 257874, 343832, 386811, 429790, 515748, 644685, 687664, 773622, 859580, 1031496, 1160433, 1289370, 1547244, 1719160, 1934055, 2062992, 2320866, 2578740, 3094488, 3438320, 3481299, 3868110, 4641732, 5157480, 5802165, 6188976, 6962598, 7736220, 9283464, 10314960, 11604330, 13925196, 15472440, 17406495, 18566928, 23208660, 27850392, 30944880, 34812990, 46417320, 55700784, 69625980, 92834640, 139251960, 278503920]

約数ペア:

[(1, 278503920), (2, 139251960), (3, 92834640), (4, 69625980), (5, 55700784), (6, 46417320), (8, 34812990), (9, 30944880), (10, 27850392), (12, 23208660), (15, 18566928), (16, 17406495), (18, 15472440), (20, 13925196), (24, 11604330), (27, 10314960), (30, 9283464), (36, 7736220), (40, 6962598), (45, 6188976), (48, 5802165), (54, 5157480), (60, 4641732), (72, 3868110), (80, 3481299), (81, 3438320), (90, 3094488), (108, 2578740), (120, 2320866), (135, 2062992), (144, 1934055), (162, 1719160), (180, 1547244), (216, 1289370), (240, 1160433), (270, 1031496), (324, 859580), (360, 773622), (405, 687664), (432, 644685), (540, 515748), (648, 429790), (720, 386811), (810, 343832), (1080, 257874), (1296, 214895), (1620, 171916), (2160, 128937), (3240, 85958), (6480, 42979)]