90643965

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 159805440

約数和(自身を除く): 69161475

約数列:

[1, 3, 5, 15, 19, 47, 57, 67, 95, 101, 141, 201, 235, 285, 303, 335, 505, 705, 893, 1005, 1273, 1515, 1919, 2679, 3149, 3819, 4465, 4747, 5757, 6365, 6767, 9447, 9595, 13395, 14241, 15745, 19095, 20301, 23735, 28785, 33835, 47235, 59831, 71205, 90193, 101505, 128573, 179493, 270579, 299155, 318049, 385719, 450965, 642865, 897465, 954147, 1352895, 1590245, 1928595, 4770735, 6042931, 18128793, 30214655, 90643965]

約数ペア:

[(1, 90643965), (3, 30214655), (5, 18128793), (15, 6042931), (19, 4770735), (47, 1928595), (57, 1590245), (67, 1352895), (95, 954147), (101, 897465), (141, 642865), (201, 450965), (235, 385719), (285, 318049), (303, 299155), (335, 270579), (505, 179493), (705, 128573), (893, 101505), (1005, 90193), (1273, 71205), (1515, 59831), (1919, 47235), (2679, 33835), (3149, 28785), (3819, 23735), (4465, 20301), (4747, 19095), (5757, 15745), (6365, 14241), (6767, 13395), (9447, 9595)]