278832780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{57373}}^1$

素因数の和:57397

約数の個数: 72

約数和(自身を含む): 877133712

約数和(自身を除く): 598300932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 57373, 114746, 172119, 229492, 286865, 344238, 516357, 573730, 688476, 860595, 1032714, 1147460, 1549071, 1721190, 2065428, 2581785, 3098142, 3442380, 4647213, 5163570, 6196284, 7745355, 9294426, 10327140, 13941639, 15490710, 18588852, 23236065, 27883278, 30981420, 46472130, 55766556, 69708195, 92944260, 139416390, 278832780]

約数ペア:

[(1, 278832780), (2, 139416390), (3, 92944260), (4, 69708195), (5, 55766556), (6, 46472130), (9, 30981420), (10, 27883278), (12, 23236065), (15, 18588852), (18, 15490710), (20, 13941639), (27, 10327140), (30, 9294426), (36, 7745355), (45, 6196284), (54, 5163570), (60, 4647213), (81, 3442380), (90, 3098142), (108, 2581785), (135, 2065428), (162, 1721190), (180, 1549071), (243, 1147460), (270, 1032714), (324, 860595), (405, 688476), (486, 573730), (540, 516357), (810, 344238), (972, 286865), (1215, 229492), (1620, 172119), (2430, 114746), (4860, 57373)]