217701720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{604727}}^1$

素因数の和:604744

約数の個数: 48

約数和(自身を含む): 707531760

約数和(自身を除く): 489830040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 604727, 1209454, 1814181, 2418908, 3023635, 3628362, 4837816, 5442543, 6047270, 7256724, 9070905, 10885086, 12094540, 14513448, 18141810, 21770172, 24189080, 27212715, 36283620, 43540344, 54425430, 72567240, 108850860, 217701720]

約数ペア:

[(1, 217701720), (2, 108850860), (3, 72567240), (4, 54425430), (5, 43540344), (6, 36283620), (8, 27212715), (9, 24189080), (10, 21770172), (12, 18141810), (15, 14513448), (18, 12094540), (20, 10885086), (24, 9070905), (30, 7256724), (36, 6047270), (40, 5442543), (45, 4837816), (60, 3628362), (72, 3023635), (90, 2418908), (120, 1814181), (180, 1209454), (360, 604727)]