69720975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 134634240

約数和(自身を除く): 64913265

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 47, 57, 75, 95, 141, 171, 225, 235, 285, 347, 423, 475, 705, 855, 893, 1041, 1175, 1425, 1735, 2115, 2679, 3123, 3525, 4275, 4465, 5205, 6593, 8037, 8675, 10575, 13395, 15615, 16309, 19779, 22325, 26025, 32965, 40185, 48927, 59337, 66975, 78075, 81545, 98895, 146781, 164825, 200925, 244635, 296685, 309871, 407725, 494475, 733905, 929613, 1223175, 1483425, 1549355, 2788839, 3669525, 4648065, 7746775, 13944195, 23240325, 69720975]

約数ペア:

[(1, 69720975), (3, 23240325), (5, 13944195), (9, 7746775), (15, 4648065), (19, 3669525), (25, 2788839), (45, 1549355), (47, 1483425), (57, 1223175), (75, 929613), (95, 733905), (141, 494475), (171, 407725), (225, 309871), (235, 296685), (285, 244635), (347, 200925), (423, 164825), (475, 146781), (705, 98895), (855, 81545), (893, 78075), (1041, 66975), (1175, 59337), (1425, 48927), (1735, 40185), (2115, 32965), (2679, 26025), (3123, 22325), (3525, 19779), (4275, 16309), (4465, 15615), (5205, 13395), (6593, 10575), (8037, 8675)]