31685640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:651

約数の個数: 128

約数和(自身を含む): 110453760

約数和(自身を除く): 78768120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 67, 70, 84, 105, 120, 134, 140, 168, 201, 210, 268, 280, 335, 402, 420, 469, 536, 563, 670, 804, 840, 938, 1005, 1126, 1340, 1407, 1608, 1689, 1876, 2010, 2252, 2345, 2680, 2814, 2815, 3378, 3752, 3941, 4020, 4504, 4690, 5628, 5630, 6756, 7035, 7882, 8040, 8445, 9380, 11256, 11260, 11823, 13512, 14070, 15764, 16890, 18760, 19705, 22520, 23646, 28140, 31528, 33780, 37721, 39410, 47292, 56280, 59115, 67560, 75442, 78820, 94584, 113163, 118230, 150884, 157640, 188605, 226326, 236460, 264047, 301768, 377210, 452652, 472920, 528094, 565815, 754420, 792141, 905304, 1056188, 1131630, 1320235, 1508840, 1584282, 2112376, 2263260, 2640470, 3168564, 3960705, 4526520, 5280940, 6337128, 7921410, 10561880, 15842820, 31685640]

約数ペア:

[(1, 31685640), (2, 15842820), (3, 10561880), (4, 7921410), (5, 6337128), (6, 5280940), (7, 4526520), (8, 3960705), (10, 3168564), (12, 2640470), (14, 2263260), (15, 2112376), (20, 1584282), (21, 1508840), (24, 1320235), (28, 1131630), (30, 1056188), (35, 905304), (40, 792141), (42, 754420), (56, 565815), (60, 528094), (67, 472920), (70, 452652), (84, 377210), (105, 301768), (120, 264047), (134, 236460), (140, 226326), (168, 188605), (201, 157640), (210, 150884), (268, 118230), (280, 113163), (335, 94584), (402, 78820), (420, 75442), (469, 67560), (536, 59115), (563, 56280), (670, 47292), (804, 39410), (840, 37721), (938, 33780), (1005, 31528), (1126, 28140), (1340, 23646), (1407, 22520), (1608, 19705), (1689, 18760), (1876, 16890), (2010, 15764), (2252, 14070), (2345, 13512), (2680, 11823), (2814, 11260), (2815, 11256), (3378, 9380), (3752, 8445), (3941, 8040), (4020, 7882), (4504, 7035), (4690, 6756), (5628, 5630)]