31360140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{24889}}^1$

素因数の和:24911

約数の個数: 72

約数和(自身を含む): 108719520

約数和(自身を除く): 77359380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 24889, 49778, 74667, 99556, 124445, 149334, 174223, 224001, 248890, 298668, 348446, 373335, 448002, 497780, 522669, 696892, 746670, 871115, 896004, 1045338, 1120005, 1493340, 1568007, 1742230, 2090676, 2240010, 2613345, 3136014, 3484460, 4480020, 5226690, 6272028, 7840035, 10453380, 15680070, 31360140]

約数ペア:

[(1, 31360140), (2, 15680070), (3, 10453380), (4, 7840035), (5, 6272028), (6, 5226690), (7, 4480020), (9, 3484460), (10, 3136014), (12, 2613345), (14, 2240010), (15, 2090676), (18, 1742230), (20, 1568007), (21, 1493340), (28, 1120005), (30, 1045338), (35, 896004), (36, 871115), (42, 746670), (45, 696892), (60, 522669), (63, 497780), (70, 448002), (84, 373335), (90, 348446), (105, 298668), (126, 248890), (140, 224001), (180, 174223), (210, 149334), (252, 124445), (315, 99556), (420, 74667), (630, 49778), (1260, 24889)]