28611540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6911}}^1$

素因数の和:6949

約数の個数: 72

約数和(自身を含む): 90574848

約数和(自身を除く): 61963308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 6911, 13822, 20733, 27644, 34555, 41466, 62199, 69110, 82932, 103665, 124398, 138220, 158953, 207330, 248796, 310995, 317906, 414660, 476859, 621990, 635812, 794765, 953718, 1243980, 1430577, 1589530, 1907436, 2384295, 2861154, 3179060, 4768590, 5722308, 7152885, 9537180, 14305770, 28611540]

約数ペア:

[(1, 28611540), (2, 14305770), (3, 9537180), (4, 7152885), (5, 5722308), (6, 4768590), (9, 3179060), (10, 2861154), (12, 2384295), (15, 1907436), (18, 1589530), (20, 1430577), (23, 1243980), (30, 953718), (36, 794765), (45, 635812), (46, 621990), (60, 476859), (69, 414660), (90, 317906), (92, 310995), (115, 248796), (138, 207330), (180, 158953), (207, 138220), (230, 124398), (276, 103665), (345, 82932), (414, 69110), (460, 62199), (690, 41466), (828, 34555), (1035, 27644), (1380, 20733), (2070, 13822), (4140, 6911)]