280671720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{334133}}^1$

素因数の和:334154

約数の個数: 64

約数和(自身を含む): 962305920

約数和(自身を除く): 681634200

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, 334133, 668266, 1002399, 1336532, 1670665, 2004798, 2338931, 2673064, 3341330, 4009596, 4677862, 5011995, 6682660, 7016793, 8019192, 9355724, 10023990, 11694655, 13365320, 14033586, 18711448, 20047980, 23389310, 28067172, 35083965, 40095960, 46778620, 56134344, 70167930, 93557240, 140335860, 280671720]

約数ペア:

[(1, 280671720), (2, 140335860), (3, 93557240), (4, 70167930), (5, 56134344), (6, 46778620), (7, 40095960), (8, 35083965), (10, 28067172), (12, 23389310), (14, 20047980), (15, 18711448), (20, 14033586), (21, 13365320), (24, 11694655), (28, 10023990), (30, 9355724), (35, 8019192), (40, 7016793), (42, 6682660), (56, 5011995), (60, 4677862), (70, 4009596), (84, 3341330), (105, 2673064), (120, 2338931), (140, 2004798), (168, 1670665), (210, 1336532), (280, 1002399), (420, 668266), (840, 334133)]