217542060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2753}}^1$

素因数の和:3207

約数の個数: 72

約数和(自身を含む): 661620960

約数和(自身を除く): 444078900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 1317, 1756, 2195, 2634, 2753, 3951, 4390, 5268, 5506, 6585, 7902, 8259, 8780, 11012, 13170, 13765, 15804, 16518, 19755, 24777, 26340, 27530, 33036, 39510, 41295, 49554, 55060, 79020, 82590, 99108, 123885, 165180, 247770, 495540, 1208567, 2417134, 3625701, 4834268, 6042835, 7251402, 10877103, 12085670, 14502804, 18128505, 21754206, 24171340, 36257010, 43508412, 54385515, 72514020, 108771030, 217542060]

約数ペア:

[(1, 217542060), (2, 108771030), (3, 72514020), (4, 54385515), (5, 43508412), (6, 36257010), (9, 24171340), (10, 21754206), (12, 18128505), (15, 14502804), (18, 12085670), (20, 10877103), (30, 7251402), (36, 6042835), (45, 4834268), (60, 3625701), (90, 2417134), (180, 1208567), (439, 495540), (878, 247770), (1317, 165180), (1756, 123885), (2195, 99108), (2634, 82590), (2753, 79020), (3951, 55060), (4390, 49554), (5268, 41295), (5506, 39510), (6585, 33036), (7902, 27530), (8259, 26340), (8780, 24777), (11012, 19755), (13170, 16518), (13765, 15804)]