65115760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:902

約数の個数: 80

約数和(自身を含む): 161846784

約数和(自身を除く): 96731024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 184, 215, 230, 344, 368, 430, 460, 688, 823, 860, 920, 989, 1646, 1720, 1840, 1978, 3292, 3440, 3956, 4115, 4945, 6584, 7912, 8230, 9890, 13168, 15824, 16460, 18929, 19780, 32920, 35389, 37858, 39560, 65840, 70778, 75716, 79120, 94645, 141556, 151432, 176945, 189290, 283112, 302864, 353890, 378580, 566224, 707780, 757160, 813947, 1415560, 1514320, 1627894, 2831120, 3255788, 4069735, 6511576, 8139470, 13023152, 16278940, 32557880, 65115760]

約数ペア:

[(1, 65115760), (2, 32557880), (4, 16278940), (5, 13023152), (8, 8139470), (10, 6511576), (16, 4069735), (20, 3255788), (23, 2831120), (40, 1627894), (43, 1514320), (46, 1415560), (80, 813947), (86, 757160), (92, 707780), (115, 566224), (172, 378580), (184, 353890), (215, 302864), (230, 283112), (344, 189290), (368, 176945), (430, 151432), (460, 141556), (688, 94645), (823, 79120), (860, 75716), (920, 70778), (989, 65840), (1646, 39560), (1720, 37858), (1840, 35389), (1978, 32920), (3292, 19780), (3440, 18929), (3956, 16460), (4115, 15824), (4945, 13168), (6584, 9890), (7912, 8230)]