78112760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16139}}^1$

素因数の和:16172

約数の個数: 48

約数和(自身を含む): 193195800

約数和(自身を除く): 115083040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 16139, 32278, 64556, 80695, 129112, 161390, 177529, 322780, 355058, 645560, 710116, 887645, 1420232, 1775290, 1952819, 3550580, 3905638, 7101160, 7811276, 9764095, 15622552, 19528190, 39056380, 78112760]

約数ペア:

[(1, 78112760), (2, 39056380), (4, 19528190), (5, 15622552), (8, 9764095), (10, 7811276), (11, 7101160), (20, 3905638), (22, 3550580), (40, 1952819), (44, 1775290), (55, 1420232), (88, 887645), (110, 710116), (121, 645560), (220, 355058), (242, 322780), (440, 177529), (484, 161390), (605, 129112), (968, 80695), (1210, 64556), (2420, 32278), (4840, 16139)]