551477580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{213751}}^1$

素因数の和:213806

約数の個数: 48

約数和(自身を含む): 1580054784

約数和(自身を除く): 1028577204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 213751, 427502, 641253, 855004, 1068755, 1282506, 2137510, 2565012, 3206265, 4275020, 6412530, 9191293, 12825060, 18382586, 27573879, 36765172, 45956465, 55147758, 91912930, 110295516, 137869395, 183825860, 275738790, 551477580]

約数ペア:

[(1, 551477580), (2, 275738790), (3, 183825860), (4, 137869395), (5, 110295516), (6, 91912930), (10, 55147758), (12, 45956465), (15, 36765172), (20, 27573879), (30, 18382586), (43, 12825060), (60, 9191293), (86, 6412530), (129, 4275020), (172, 3206265), (215, 2565012), (258, 2137510), (430, 1282506), (516, 1068755), (645, 855004), (860, 641253), (1290, 427502), (2580, 213751)]