15705728675

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{6619}}^1$

素因数の和:6805

約数の個数: 72

約数和(自身を含む): 24564834000

約数和(自身を除く): 8859105325

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 149, 175, 245, 325, 455, 637, 745, 1043, 1225, 1937, 2275, 3185, 3725, 5215, 6619, 7301, 9685, 13559, 15925, 26075, 33095, 36505, 46333, 48425, 67795, 86047, 94913, 165475, 182525, 231665, 324331, 338975, 430235, 474565, 602329, 986231, 1158325, 1621655, 2151175, 2372825, 3011645, 4216303, 4931155, 6903617, 8108275, 12821003, 15058225, 21081515, 24655775, 34518085, 48325319, 64105015, 89747021, 105407575, 172590425, 241626595, 320525075, 448735105, 628229147, 1208132975, 2243675525, 3141145735, 15705728675]

約数ペア:

[(1, 15705728675), (5, 3141145735), (7, 2243675525), (13, 1208132975), (25, 628229147), (35, 448735105), (49, 320525075), (65, 241626595), (91, 172590425), (149, 105407575), (175, 89747021), (245, 64105015), (325, 48325319), (455, 34518085), (637, 24655775), (745, 21081515), (1043, 15058225), (1225, 12821003), (1937, 8108275), (2275, 6903617), (3185, 4931155), (3725, 4216303), (5215, 3011645), (6619, 2372825), (7301, 2151175), (9685, 1621655), (13559, 1158325), (15925, 986231), (26075, 602329), (33095, 474565), (36505, 430235), (46333, 338975), (48425, 324331), (67795, 231665), (86047, 182525), (94913, 165475)]