81975312

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:557

約数の個数: 120

約数和(自身を含む): 244430784

約数和(自身を除く): 162455472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 53, 69, 72, 92, 106, 138, 144, 159, 184, 207, 212, 276, 318, 368, 414, 424, 467, 477, 552, 636, 828, 848, 934, 954, 1104, 1219, 1272, 1401, 1656, 1868, 1908, 2438, 2544, 2802, 3312, 3657, 3736, 3816, 4203, 4876, 5604, 7314, 7472, 7632, 8406, 9752, 10741, 10971, 11208, 14628, 16812, 19504, 21482, 21942, 22416, 24751, 29256, 32223, 33624, 42964, 43884, 49502, 58512, 64446, 67248, 74253, 85928, 87768, 96669, 99004, 128892, 148506, 171856, 175536, 193338, 198008, 222759, 257784, 297012, 386676, 396016, 445518, 515568, 569273, 594024, 773352, 891036, 1138546, 1188048, 1546704, 1707819, 1782072, 2277092, 3415638, 3564144, 4554184, 5123457, 6831276, 9108368, 10246914, 13662552, 20493828, 27325104, 40987656, 81975312]

約数ペア:

[(1, 81975312), (2, 40987656), (3, 27325104), (4, 20493828), (6, 13662552), (8, 10246914), (9, 9108368), (12, 6831276), (16, 5123457), (18, 4554184), (23, 3564144), (24, 3415638), (36, 2277092), (46, 1782072), (48, 1707819), (53, 1546704), (69, 1188048), (72, 1138546), (92, 891036), (106, 773352), (138, 594024), (144, 569273), (159, 515568), (184, 445518), (207, 396016), (212, 386676), (276, 297012), (318, 257784), (368, 222759), (414, 198008), (424, 193338), (467, 175536), (477, 171856), (552, 148506), (636, 128892), (828, 99004), (848, 96669), (934, 87768), (954, 85928), (1104, 74253), (1219, 67248), (1272, 64446), (1401, 58512), (1656, 49502), (1868, 43884), (1908, 42964), (2438, 33624), (2544, 32223), (2802, 29256), (3312, 24751), (3657, 22416), (3736, 21942), (3816, 21482), (4203, 19504), (4876, 16812), (5604, 14628), (7314, 11208), (7472, 10971), (7632, 10741), (8406, 9752)]