71715280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9851}}^1$

素因数の和:9884

約数の個数: 80

約数和(自身を含む): 205236864

約数和(自身を除く): 133521584

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 9851, 19702, 39404, 49255, 68957, 78808, 98510, 128063, 137914, 157616, 197020, 256126, 275828, 344785, 394040, 512252, 551656, 640315, 689570, 788080, 896441, 1024504, 1103312, 1280630, 1379140, 1792882, 2049008, 2561260, 2758280, 3585764, 4482205, 5122520, 5516560, 7171528, 8964410, 10245040, 14343056, 17928820, 35857640, 71715280]

約数ペア:

[(1, 71715280), (2, 35857640), (4, 17928820), (5, 14343056), (7, 10245040), (8, 8964410), (10, 7171528), (13, 5516560), (14, 5122520), (16, 4482205), (20, 3585764), (26, 2758280), (28, 2561260), (35, 2049008), (40, 1792882), (52, 1379140), (56, 1280630), (65, 1103312), (70, 1024504), (80, 896441), (91, 788080), (104, 689570), (112, 640315), (130, 551656), (140, 512252), (182, 394040), (208, 344785), (260, 275828), (280, 256126), (364, 197020), (455, 157616), (520, 137914), (560, 128063), (728, 98510), (910, 78808), (1040, 68957), (1456, 49255), (1820, 39404), (3640, 19702), (7280, 9851)]