28838640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1123}}^1$

素因数の和:1246

約数の個数: 80

約数和(自身を含む): 90315648

約数和(自身を除く): 61477008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1123, 1284, 1605, 1712, 2140, 2246, 2568, 3210, 3369, 4280, 4492, 5136, 5615, 6420, 6738, 8560, 8984, 11230, 12840, 13476, 16845, 17968, 22460, 25680, 26952, 33690, 44920, 53904, 67380, 89840, 120161, 134760, 240322, 269520, 360483, 480644, 600805, 720966, 961288, 1201610, 1441932, 1802415, 1922576, 2403220, 2883864, 3604830, 4806440, 5767728, 7209660, 9612880, 14419320, 28838640]

約数ペア:

[(1, 28838640), (2, 14419320), (3, 9612880), (4, 7209660), (5, 5767728), (6, 4806440), (8, 3604830), (10, 2883864), (12, 2403220), (15, 1922576), (16, 1802415), (20, 1441932), (24, 1201610), (30, 961288), (40, 720966), (48, 600805), (60, 480644), (80, 360483), (107, 269520), (120, 240322), (214, 134760), (240, 120161), (321, 89840), (428, 67380), (535, 53904), (642, 44920), (856, 33690), (1070, 26952), (1123, 25680), (1284, 22460), (1605, 17968), (1712, 16845), (2140, 13476), (2246, 12840), (2568, 11230), (3210, 8984), (3369, 8560), (4280, 6738), (4492, 6420), (5136, 5615)]