140771960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21859}}^1$

素因数の和:21900

約数の個数: 64

約数和(自身を含む): 377740800

約数和(自身を除く): 236968840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 21859, 43718, 87436, 109295, 153013, 174872, 218590, 306026, 437180, 502757, 612052, 765065, 874360, 1005514, 1224104, 1530130, 2011028, 2513785, 3060260, 3519299, 4022056, 5027570, 6120520, 7038598, 10055140, 14077196, 17596495, 20110280, 28154392, 35192990, 70385980, 140771960]

約数ペア:

[(1, 140771960), (2, 70385980), (4, 35192990), (5, 28154392), (7, 20110280), (8, 17596495), (10, 14077196), (14, 10055140), (20, 7038598), (23, 6120520), (28, 5027570), (35, 4022056), (40, 3519299), (46, 3060260), (56, 2513785), (70, 2011028), (92, 1530130), (115, 1224104), (140, 1005514), (161, 874360), (184, 765065), (230, 612052), (280, 502757), (322, 437180), (460, 306026), (644, 218590), (805, 174872), (920, 153013), (1288, 109295), (1610, 87436), (3220, 43718), (6440, 21859)]