210996540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37813}}^1$

素因数の和:37859

約数の個数: 72

約数和(自身を含む): 660686208

約数和(自身を除く): 449689668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 37813, 75626, 113439, 151252, 189065, 226878, 340317, 378130, 453756, 567195, 680634, 756260, 1134390, 1172203, 1361268, 1701585, 2268780, 2344406, 3403170, 3516609, 4688812, 5861015, 6806340, 7033218, 10549827, 11722030, 14066436, 17583045, 21099654, 23444060, 35166090, 42199308, 52749135, 70332180, 105498270, 210996540]

約数ペア:

[(1, 210996540), (2, 105498270), (3, 70332180), (4, 52749135), (5, 42199308), (6, 35166090), (9, 23444060), (10, 21099654), (12, 17583045), (15, 14066436), (18, 11722030), (20, 10549827), (30, 7033218), (31, 6806340), (36, 5861015), (45, 4688812), (60, 3516609), (62, 3403170), (90, 2344406), (93, 2268780), (124, 1701585), (155, 1361268), (180, 1172203), (186, 1134390), (279, 756260), (310, 680634), (372, 567195), (465, 453756), (558, 378130), (620, 340317), (930, 226878), (1116, 189065), (1395, 151252), (1860, 113439), (2790, 75626), (5580, 37813)]