20997297840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{802649}}^1$

素因数の和:802774

約数の個数: 80

約数和(自身を含む): 65688876000

約数和(自身を除く): 44691578160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 3270, 4360, 5232, 6540, 8720, 13080, 26160, 802649, 1605298, 2407947, 3210596, 4013245, 4815894, 6421192, 8026490, 9631788, 12039735, 12842384, 16052980, 19263576, 24079470, 32105960, 38527152, 48158940, 64211920, 87488741, 96317880, 174977482, 192635760, 262466223, 349954964, 437443705, 524932446, 699909928, 874887410, 1049864892, 1312331115, 1399819856, 1749774820, 2099729784, 2624662230, 3499549640, 4199459568, 5249324460, 6999099280, 10498648920, 20997297840]

約数ペア:

[(1, 20997297840), (2, 10498648920), (3, 6999099280), (4, 5249324460), (5, 4199459568), (6, 3499549640), (8, 2624662230), (10, 2099729784), (12, 1749774820), (15, 1399819856), (16, 1312331115), (20, 1049864892), (24, 874887410), (30, 699909928), (40, 524932446), (48, 437443705), (60, 349954964), (80, 262466223), (109, 192635760), (120, 174977482), (218, 96317880), (240, 87488741), (327, 64211920), (436, 48158940), (545, 38527152), (654, 32105960), (872, 24079470), (1090, 19263576), (1308, 16052980), (1635, 12842384), (1744, 12039735), (2180, 9631788), (2616, 8026490), (3270, 6421192), (4360, 4815894), (5232, 4013245), (6540, 3210596), (8720, 2407947), (13080, 1605298), (26160, 802649)]