164021775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 304742400

約数和(自身を除く): 140720625

約数列:

[1, 3, 5, 15, 19, 25, 31, 47, 57, 75, 79, 93, 95, 141, 155, 235, 237, 285, 395, 465, 475, 589, 705, 775, 893, 1175, 1185, 1425, 1457, 1501, 1767, 1975, 2325, 2449, 2679, 2945, 3525, 3713, 4371, 4465, 4503, 5925, 7285, 7347, 7505, 8835, 11139, 12245, 13395, 14725, 18565, 21855, 22325, 22515, 27683, 36425, 36735, 37525, 44175, 46531, 55695, 61225, 66975, 70547, 83049, 92825, 109275, 112575, 115103, 138415, 139593, 183675, 211641, 232655, 278475, 345309, 352735, 415245, 575515, 692075, 697965, 1058205, 1163275, 1726545, 1763675, 2076225, 2186957, 2877575, 3489825, 5291025, 6560871, 8632725, 10934785, 32804355, 54673925, 164021775]

約数ペア:

[(1, 164021775), (3, 54673925), (5, 32804355), (15, 10934785), (19, 8632725), (25, 6560871), (31, 5291025), (47, 3489825), (57, 2877575), (75, 2186957), (79, 2076225), (93, 1763675), (95, 1726545), (141, 1163275), (155, 1058205), (235, 697965), (237, 692075), (285, 575515), (395, 415245), (465, 352735), (475, 345309), (589, 278475), (705, 232655), (775, 211641), (893, 183675), (1175, 139593), (1185, 138415), (1425, 115103), (1457, 112575), (1501, 109275), (1767, 92825), (1975, 83049), (2325, 70547), (2449, 66975), (2679, 61225), (2945, 55695), (3525, 46531), (3713, 44175), (4371, 37525), (4465, 36735), (4503, 36425), (5925, 27683), (7285, 22515), (7347, 22325), (7505, 21855), (8835, 18565), (11139, 14725), (12245, 13395)]