78370725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 139673600

約数和(自身を除く): 61302875

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 285, 475, 645, 817, 1075, 1279, 1425, 2451, 3225, 3837, 4085, 6395, 12255, 19185, 20425, 24301, 31975, 54997, 61275, 72903, 95925, 121505, 164991, 274985, 364515, 607525, 824955, 1044943, 1374925, 1822575, 3134829, 4124775, 5224715, 15674145, 26123575, 78370725]

約数ペア:

[(1, 78370725), (3, 26123575), (5, 15674145), (15, 5224715), (19, 4124775), (25, 3134829), (43, 1822575), (57, 1374925), (75, 1044943), (95, 824955), (129, 607525), (215, 364515), (285, 274985), (475, 164991), (645, 121505), (817, 95925), (1075, 72903), (1279, 61275), (1425, 54997), (2451, 31975), (3225, 24301), (3837, 20425), (4085, 19185), (6395, 12255)]