381537240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{454211}}^1$

素因数の和:454232

約数の個数: 64

約数和(自身を含む): 1308130560

約数和(自身を除く): 926593320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 454211, 908422, 1362633, 1816844, 2271055, 2725266, 3179477, 3633688, 4542110, 5450532, 6358954, 6813165, 9084220, 9538431, 10901064, 12717908, 13626330, 15897385, 18168440, 19076862, 25435816, 27252660, 31794770, 38153724, 47692155, 54505320, 63589540, 76307448, 95384310, 127179080, 190768620, 381537240]

約数ペア:

[(1, 381537240), (2, 190768620), (3, 127179080), (4, 95384310), (5, 76307448), (6, 63589540), (7, 54505320), (8, 47692155), (10, 38153724), (12, 31794770), (14, 27252660), (15, 25435816), (20, 19076862), (21, 18168440), (24, 15897385), (28, 13626330), (30, 12717908), (35, 10901064), (40, 9538431), (42, 9084220), (56, 6813165), (60, 6358954), (70, 5450532), (84, 4542110), (105, 3633688), (120, 3179477), (140, 2725266), (168, 2271055), (210, 1816844), (280, 1362633), (420, 908422), (840, 454211)]