7888920975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2689}}^1$

素因数の和:2794

約数の個数: 144

約数和(自身を含む): 16391138400

約数和(自身を除く): 8502217425

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 59, 65, 75, 85, 117, 153, 177, 195, 221, 225, 255, 295, 325, 425, 531, 585, 663, 765, 767, 885, 975, 1003, 1105, 1275, 1475, 1989, 2301, 2655, 2689, 2925, 3009, 3315, 3825, 3835, 4425, 5015, 5525, 6903, 8067, 9027, 9945, 11505, 13039, 13275, 13445, 15045, 16575, 19175, 24201, 25075, 34515, 34957, 39117, 40335, 45135, 45713, 49725, 57525, 65195, 67225, 75225, 104871, 117351, 121005, 137139, 158651, 172575, 174785, 195585, 201675, 225675, 228565, 314613, 325975, 411417, 475953, 524355, 586755, 594269, 605025, 685695, 793255, 873925, 977925, 1142825, 1427859, 1573065, 1782807, 2057085, 2062463, 2379765, 2621775, 2697067, 2933775, 2971345, 3428475, 3966275, 5348421, 6187389, 7139295, 7865325, 8091201, 8914035, 10285425, 10312315, 11898825, 13485335, 14856725, 18562167, 24273603, 26742105, 30936945, 35061871, 35696475, 40456005, 44570175, 51561575, 67426675, 92810835, 105185613, 121368015, 133710525, 154684725, 175309355, 202280025, 315556839, 464054175, 525928065, 606840075, 876546775, 1577784195, 2629640325, 7888920975]

約数ペア:

[(1, 7888920975), (3, 2629640325), (5, 1577784195), (9, 876546775), (13, 606840075), (15, 525928065), (17, 464054175), (25, 315556839), (39, 202280025), (45, 175309355), (51, 154684725), (59, 133710525), (65, 121368015), (75, 105185613), (85, 92810835), (117, 67426675), (153, 51561575), (177, 44570175), (195, 40456005), (221, 35696475), (225, 35061871), (255, 30936945), (295, 26742105), (325, 24273603), (425, 18562167), (531, 14856725), (585, 13485335), (663, 11898825), (765, 10312315), (767, 10285425), (885, 8914035), (975, 8091201), (1003, 7865325), (1105, 7139295), (1275, 6187389), (1475, 5348421), (1989, 3966275), (2301, 3428475), (2655, 2971345), (2689, 2933775), (2925, 2697067), (3009, 2621775), (3315, 2379765), (3825, 2062463), (3835, 2057085), (4425, 1782807), (5015, 1573065), (5525, 1427859), (6903, 1142825), (8067, 977925), (9027, 873925), (9945, 793255), (11505, 685695), (13039, 605025), (13275, 594269), (13445, 586755), (15045, 524355), (16575, 475953), (19175, 411417), (24201, 325975), (25075, 314613), (34515, 228565), (34957, 225675), (39117, 201675), (40335, 195585), (45135, 174785), (45713, 172575), (49725, 158651), (57525, 137139), (65195, 121005), (67225, 117351), (75225, 104871)]