71110480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5521}}^1$

素因数の和:5564

約数の個数: 80

約数和(自身を含む): 197201664

約数和(自身を除く): 126091184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 5521, 6440, 11042, 12880, 22084, 27605, 38647, 44168, 55210, 77294, 88336, 110420, 126983, 154588, 193235, 220840, 253966, 309176, 386470, 441680, 507932, 618352, 634915, 772940, 888881, 1015864, 1269830, 1545880, 1777762, 2031728, 2539660, 3091760, 3555524, 4444405, 5079320, 7111048, 8888810, 10158640, 14222096, 17777620, 35555240, 71110480]

約数ペア:

[(1, 71110480), (2, 35555240), (4, 17777620), (5, 14222096), (7, 10158640), (8, 8888810), (10, 7111048), (14, 5079320), (16, 4444405), (20, 3555524), (23, 3091760), (28, 2539660), (35, 2031728), (40, 1777762), (46, 1545880), (56, 1269830), (70, 1015864), (80, 888881), (92, 772940), (112, 634915), (115, 618352), (140, 507932), (161, 441680), (184, 386470), (230, 309176), (280, 253966), (322, 220840), (368, 193235), (460, 154588), (560, 126983), (644, 110420), (805, 88336), (920, 77294), (1288, 55210), (1610, 44168), (1840, 38647), (2576, 27605), (3220, 22084), (5521, 12880), (6440, 11042)]