315057990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18787}}^1$

素因数の和:18853

約数の個数: 64

約数和(自身を含む): 833285376

約数和(自身を除く): 518227386

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 2795, 3354, 5590, 8385, 16770, 18787, 37574, 56361, 93935, 112722, 187870, 244231, 281805, 488462, 563610, 732693, 807841, 1221155, 1465386, 1615682, 2423523, 2442310, 3663465, 4039205, 4847046, 7326930, 8078410, 10501933, 12117615, 21003866, 24235230, 31505799, 52509665, 63011598, 105019330, 157528995, 315057990]

約数ペア:

[(1, 315057990), (2, 157528995), (3, 105019330), (5, 63011598), (6, 52509665), (10, 31505799), (13, 24235230), (15, 21003866), (26, 12117615), (30, 10501933), (39, 8078410), (43, 7326930), (65, 4847046), (78, 4039205), (86, 3663465), (129, 2442310), (130, 2423523), (195, 1615682), (215, 1465386), (258, 1221155), (390, 807841), (430, 732693), (559, 563610), (645, 488462), (1118, 281805), (1290, 244231), (1677, 187870), (2795, 112722), (3354, 93935), (5590, 56361), (8385, 37574), (16770, 18787)]