2090640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 6713856

約数和(自身を除く): 4623216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 281, 310, 372, 465, 496, 562, 620, 744, 843, 930, 1124, 1240, 1405, 1488, 1686, 1860, 2248, 2480, 2810, 3372, 3720, 4215, 4496, 5620, 6744, 7440, 8430, 8711, 11240, 13488, 16860, 17422, 22480, 26133, 33720, 34844, 43555, 52266, 67440, 69688, 87110, 104532, 130665, 139376, 174220, 209064, 261330, 348440, 418128, 522660, 696880, 1045320, 2090640]

約数ペア:

[(1, 2090640), (2, 1045320), (3, 696880), (4, 522660), (5, 418128), (6, 348440), (8, 261330), (10, 209064), (12, 174220), (15, 139376), (16, 130665), (20, 104532), (24, 87110), (30, 69688), (31, 67440), (40, 52266), (48, 43555), (60, 34844), (62, 33720), (80, 26133), (93, 22480), (120, 17422), (124, 16860), (155, 13488), (186, 11240), (240, 8711), (248, 8430), (281, 7440), (310, 6744), (372, 5620), (465, 4496), (496, 4215), (562, 3720), (620, 3372), (744, 2810), (843, 2480), (930, 2248), (1124, 1860), (1240, 1686), (1405, 1488)]