15679912375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:905

約数の個数: 64

約数和(自身を含む): 20848988160

約数和(自身を除く): 5169075785

約数列:

[1, 5, 25, 31, 43, 125, 139, 155, 215, 677, 695, 775, 1075, 1333, 3385, 3475, 3875, 4309, 5375, 5977, 6665, 16925, 17375, 20987, 21545, 29111, 29885, 33325, 84625, 94103, 104935, 107725, 145555, 149425, 166625, 185287, 470515, 524675, 538625, 727775, 747125, 902441, 926435, 2352575, 2623375, 2917193, 3638875, 4046429, 4512205, 4632175, 11762875, 14585965, 20232145, 22561025, 23160875, 72929825, 101160725, 112805125, 125439299, 364649125, 505803625, 627196495, 3135982475, 15679912375]

約数ペア:

[(1, 15679912375), (5, 3135982475), (25, 627196495), (31, 505803625), (43, 364649125), (125, 125439299), (139, 112805125), (155, 101160725), (215, 72929825), (677, 23160875), (695, 22561025), (775, 20232145), (1075, 14585965), (1333, 11762875), (3385, 4632175), (3475, 4512205), (3875, 4046429), (4309, 3638875), (5375, 2917193), (5977, 2623375), (6665, 2352575), (16925, 926435), (17375, 902441), (20987, 747125), (21545, 727775), (29111, 538625), (29885, 524675), (33325, 470515), (84625, 185287), (94103, 166625), (104935, 149425), (107725, 145555)]