28827480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21839}}^1$

素因数の和:21864

約数の個数: 64

約数和(自身を含む): 94348800

約数和(自身を除く): 65521320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21839, 43678, 65517, 87356, 109195, 131034, 174712, 218390, 240229, 262068, 327585, 436780, 480458, 524136, 655170, 720687, 873560, 960916, 1201145, 1310340, 1441374, 1921832, 2402290, 2620680, 2882748, 3603435, 4804580, 5765496, 7206870, 9609160, 14413740, 28827480]

約数ペア:

[(1, 28827480), (2, 14413740), (3, 9609160), (4, 7206870), (5, 5765496), (6, 4804580), (8, 3603435), (10, 2882748), (11, 2620680), (12, 2402290), (15, 1921832), (20, 1441374), (22, 1310340), (24, 1201145), (30, 960916), (33, 873560), (40, 720687), (44, 655170), (55, 524136), (60, 480458), (66, 436780), (88, 327585), (110, 262068), (120, 240229), (132, 218390), (165, 174712), (220, 131034), (264, 109195), (330, 87356), (440, 65517), (660, 43678), (1320, 21839)]