28065840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10631}}^1$

素因数の和:10658

約数の個数: 80

約数和(自身を含む): 94922496

約数和(自身を除く): 66856656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 10631, 21262, 31893, 42524, 53155, 63786, 85048, 106310, 116941, 127572, 159465, 170096, 212620, 233882, 255144, 318930, 350823, 425240, 467764, 510288, 584705, 637860, 701646, 850480, 935528, 1169410, 1275720, 1403292, 1754115, 1871056, 2338820, 2551440, 2806584, 3508230, 4677640, 5613168, 7016460, 9355280, 14032920, 28065840]

約数ペア:

[(1, 28065840), (2, 14032920), (3, 9355280), (4, 7016460), (5, 5613168), (6, 4677640), (8, 3508230), (10, 2806584), (11, 2551440), (12, 2338820), (15, 1871056), (16, 1754115), (20, 1403292), (22, 1275720), (24, 1169410), (30, 935528), (33, 850480), (40, 701646), (44, 637860), (48, 584705), (55, 510288), (60, 467764), (66, 425240), (80, 350823), (88, 318930), (110, 255144), (120, 233882), (132, 212620), (165, 170096), (176, 159465), (220, 127572), (240, 116941), (264, 106310), (330, 85048), (440, 63786), (528, 53155), (660, 42524), (880, 31893), (1320, 21262), (2640, 10631)]