28212840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:344

約数の個数: 128

約数和(自身を含む): 95212800

約数和(自身を除く): 66999960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 151, 173, 180, 216, 270, 302, 346, 360, 453, 519, 540, 604, 692, 755, 865, 906, 1038, 1080, 1208, 1359, 1384, 1510, 1557, 1730, 1812, 2076, 2265, 2595, 2718, 3020, 3114, 3460, 3624, 4077, 4152, 4530, 4671, 5190, 5436, 6040, 6228, 6795, 6920, 7785, 8154, 9060, 9342, 10380, 10872, 12456, 13590, 15570, 16308, 18120, 18684, 20385, 20760, 23355, 26123, 27180, 31140, 32616, 37368, 40770, 46710, 52246, 54360, 62280, 78369, 81540, 93420, 104492, 130615, 156738, 163080, 186840, 208984, 235107, 261230, 313476, 391845, 470214, 522460, 626952, 705321, 783690, 940428, 1044920, 1175535, 1410642, 1567380, 1880856, 2351070, 2821284, 3134760, 3526605, 4702140, 5642568, 7053210, 9404280, 14106420, 28212840]

約数ペア:

[(1, 28212840), (2, 14106420), (3, 9404280), (4, 7053210), (5, 5642568), (6, 4702140), (8, 3526605), (9, 3134760), (10, 2821284), (12, 2351070), (15, 1880856), (18, 1567380), (20, 1410642), (24, 1175535), (27, 1044920), (30, 940428), (36, 783690), (40, 705321), (45, 626952), (54, 522460), (60, 470214), (72, 391845), (90, 313476), (108, 261230), (120, 235107), (135, 208984), (151, 186840), (173, 163080), (180, 156738), (216, 130615), (270, 104492), (302, 93420), (346, 81540), (360, 78369), (453, 62280), (519, 54360), (540, 52246), (604, 46710), (692, 40770), (755, 37368), (865, 32616), (906, 31140), (1038, 27180), (1080, 26123), (1208, 23355), (1359, 20760), (1384, 20385), (1510, 18684), (1557, 18120), (1730, 16308), (1812, 15570), (2076, 13590), (2265, 12456), (2595, 10872), (2718, 10380), (3020, 9342), (3114, 9060), (3460, 8154), (3624, 7785), (4077, 6920), (4152, 6795), (4530, 6228), (4671, 6040), (5190, 5436)]