64537540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{457}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 142192512

約数和(自身を除く): 77654972

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 307, 457, 460, 614, 914, 1228, 1535, 1828, 2285, 3070, 4570, 6140, 7061, 9140, 10511, 14122, 21022, 28244, 35305, 42044, 52555, 70610, 105110, 140299, 141220, 210220, 280598, 561196, 701495, 1402990, 2805980, 3226877, 6453754, 12907508, 16134385, 32268770, 64537540]

約数ペア:

[(1, 64537540), (2, 32268770), (4, 16134385), (5, 12907508), (10, 6453754), (20, 3226877), (23, 2805980), (46, 1402990), (92, 701495), (115, 561196), (230, 280598), (307, 210220), (457, 141220), (460, 140299), (614, 105110), (914, 70610), (1228, 52555), (1535, 42044), (1828, 35305), (2285, 28244), (3070, 21022), (4570, 14122), (6140, 10511), (7061, 9140)]