42453880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 115937280

約数和(自身を除く): 73483400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 67, 70, 73, 124, 134, 140, 146, 155, 217, 248, 268, 280, 292, 310, 335, 365, 434, 469, 511, 536, 584, 620, 670, 730, 868, 938, 1022, 1085, 1240, 1340, 1460, 1736, 1876, 2044, 2077, 2170, 2263, 2345, 2555, 2680, 2920, 3752, 4088, 4154, 4340, 4526, 4690, 4891, 5110, 8308, 8680, 9052, 9380, 9782, 10220, 10385, 11315, 14539, 15841, 16616, 18104, 18760, 19564, 20440, 20770, 22630, 24455, 29078, 31682, 34237, 39128, 41540, 45260, 48910, 58156, 63364, 68474, 72695, 79205, 83080, 90520, 97820, 116312, 126728, 136948, 145390, 151621, 158410, 171185, 195640, 273896, 290780, 303242, 316820, 342370, 581560, 606484, 633640, 684740, 758105, 1061347, 1212968, 1369480, 1516210, 2122694, 3032420, 4245388, 5306735, 6064840, 8490776, 10613470, 21226940, 42453880]

約数ペア:

[(1, 42453880), (2, 21226940), (4, 10613470), (5, 8490776), (7, 6064840), (8, 5306735), (10, 4245388), (14, 3032420), (20, 2122694), (28, 1516210), (31, 1369480), (35, 1212968), (40, 1061347), (56, 758105), (62, 684740), (67, 633640), (70, 606484), (73, 581560), (124, 342370), (134, 316820), (140, 303242), (146, 290780), (155, 273896), (217, 195640), (248, 171185), (268, 158410), (280, 151621), (292, 145390), (310, 136948), (335, 126728), (365, 116312), (434, 97820), (469, 90520), (511, 83080), (536, 79205), (584, 72695), (620, 68474), (670, 63364), (730, 58156), (868, 48910), (938, 45260), (1022, 41540), (1085, 39128), (1240, 34237), (1340, 31682), (1460, 29078), (1736, 24455), (1876, 22630), (2044, 20770), (2077, 20440), (2170, 19564), (2263, 18760), (2345, 18104), (2555, 16616), (2680, 15841), (2920, 14539), (3752, 11315), (4088, 10385), (4154, 10220), (4340, 9782), (4526, 9380), (4690, 9052), (4891, 8680), (5110, 8308)]