81606360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 269256960

約数和(自身を除く): 187650600

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, 211, 220, 264, 293, 330, 422, 440, 586, 633, 660, 844, 879, 1055, 1172, 1266, 1320, 1465, 1688, 1758, 2110, 2321, 2344, 2532, 2930, 3165, 3223, 3516, 4220, 4395, 4642, 5064, 5860, 6330, 6446, 6963, 7032, 8440, 8790, 9284, 9669, 11605, 11720, 12660, 12892, 13926, 16115, 17580, 18568, 19338, 23210, 25320, 25784, 27852, 32230, 34815, 35160, 38676, 46420, 48345, 55704, 61823, 64460, 69630, 77352, 92840, 96690, 123646, 128920, 139260, 185469, 193380, 247292, 278520, 309115, 370938, 386760, 494584, 618230, 680053, 741876, 927345, 1236460, 1360106, 1483752, 1854690, 2040159, 2472920, 2720212, 3400265, 3709380, 4080318, 5440424, 6800530, 7418760, 8160636, 10200795, 13601060, 16321272, 20401590, 27202120, 40803180, 81606360]

約数ペア:

[(1, 81606360), (2, 40803180), (3, 27202120), (4, 20401590), (5, 16321272), (6, 13601060), (8, 10200795), (10, 8160636), (11, 7418760), (12, 6800530), (15, 5440424), (20, 4080318), (22, 3709380), (24, 3400265), (30, 2720212), (33, 2472920), (40, 2040159), (44, 1854690), (55, 1483752), (60, 1360106), (66, 1236460), (88, 927345), (110, 741876), (120, 680053), (132, 618230), (165, 494584), (211, 386760), (220, 370938), (264, 309115), (293, 278520), (330, 247292), (422, 193380), (440, 185469), (586, 139260), (633, 128920), (660, 123646), (844, 96690), (879, 92840), (1055, 77352), (1172, 69630), (1266, 64460), (1320, 61823), (1465, 55704), (1688, 48345), (1758, 46420), (2110, 38676), (2321, 35160), (2344, 34815), (2532, 32230), (2930, 27852), (3165, 25784), (3223, 25320), (3516, 23210), (4220, 19338), (4395, 18568), (4642, 17580), (5064, 16115), (5860, 13926), (6330, 12892), (6446, 12660), (6963, 11720), (7032, 11605), (8440, 9669), (8790, 9284)]