15691461315

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{1979}}^1$

素因数の和:2696

約数の個数: 64

約数和(自身を含む): 27097804800

約数和(自身を除く): 11406343485

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 647, 817, 1941, 1979, 2451, 3235, 4085, 5937, 9705, 9895, 12255, 12293, 27821, 29685, 36879, 37601, 61465, 83463, 85097, 112803, 139105, 184395, 188005, 255291, 417315, 425485, 528599, 564015, 1276455, 1280413, 1585797, 1616843, 2642995, 3841239, 4850529, 6402065, 7928985, 8084215, 19206195, 24252645, 24327847, 55057759, 72983541, 121639235, 165173277, 275288795, 364917705, 825866385, 1046097421, 3138292263, 5230487105, 15691461315]

約数ペア:

[(1, 15691461315), (3, 5230487105), (5, 3138292263), (15, 1046097421), (19, 825866385), (43, 364917705), (57, 275288795), (95, 165173277), (129, 121639235), (215, 72983541), (285, 55057759), (645, 24327847), (647, 24252645), (817, 19206195), (1941, 8084215), (1979, 7928985), (2451, 6402065), (3235, 4850529), (4085, 3841239), (5937, 2642995), (9705, 1616843), (9895, 1585797), (12255, 1280413), (12293, 1276455), (27821, 564015), (29685, 528599), (36879, 425485), (37601, 417315), (61465, 255291), (83463, 188005), (85097, 184395), (112803, 139105)]