81557520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30893}}^1$

素因数の和:30920

約数の個数: 80

約数和(自身を含む): 275821632

約数和(自身を除く): 194264112

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, 30893, 61786, 92679, 123572, 154465, 185358, 247144, 308930, 339823, 370716, 463395, 494288, 617860, 679646, 741432, 926790, 1019469, 1235720, 1359292, 1482864, 1699115, 1853580, 2038938, 2471440, 2718584, 3398230, 3707160, 4077876, 5097345, 5437168, 6796460, 7414320, 8155752, 10194690, 13592920, 16311504, 20389380, 27185840, 40778760, 81557520]

約数ペア:

[(1, 81557520), (2, 40778760), (3, 27185840), (4, 20389380), (5, 16311504), (6, 13592920), (8, 10194690), (10, 8155752), (11, 7414320), (12, 6796460), (15, 5437168), (16, 5097345), (20, 4077876), (22, 3707160), (24, 3398230), (30, 2718584), (33, 2471440), (40, 2038938), (44, 1853580), (48, 1699115), (55, 1482864), (60, 1359292), (66, 1235720), (80, 1019469), (88, 926790), (110, 741432), (120, 679646), (132, 617860), (165, 494288), (176, 463395), (220, 370716), (240, 339823), (264, 308930), (330, 247144), (440, 185358), (528, 154465), (660, 123572), (880, 92679), (1320, 61786), (2640, 30893)]