78885690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2437}}^1$

素因数の和:2543

約数の個数: 64

約数和(自身を含む): 206430336

約数和(自身を除く): 127544646

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 83, 130, 166, 195, 249, 390, 415, 498, 830, 1079, 1245, 2158, 2437, 2490, 3237, 4874, 5395, 6474, 7311, 10790, 12185, 14622, 16185, 24370, 31681, 32370, 36555, 63362, 73110, 95043, 158405, 190086, 202271, 316810, 404542, 475215, 606813, 950430, 1011355, 1213626, 2022710, 2629523, 3034065, 5259046, 6068130, 7888569, 13147615, 15777138, 26295230, 39442845, 78885690]

約数ペア:

[(1, 78885690), (2, 39442845), (3, 26295230), (5, 15777138), (6, 13147615), (10, 7888569), (13, 6068130), (15, 5259046), (26, 3034065), (30, 2629523), (39, 2022710), (65, 1213626), (78, 1011355), (83, 950430), (130, 606813), (166, 475215), (195, 404542), (249, 316810), (390, 202271), (415, 190086), (498, 158405), (830, 95043), (1079, 73110), (1245, 63362), (2158, 36555), (2437, 32370), (2490, 31681), (3237, 24370), (4874, 16185), (5395, 14622), (6474, 12185), (7311, 10790)]