420513240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2621}}^1$

素因数の和:2833

約数の個数: 128

約数和(自身を含む): 1449861120

約数和(自身を除く): 1029347880

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, 191, 210, 280, 382, 420, 573, 764, 840, 955, 1146, 1337, 1528, 1910, 2292, 2621, 2674, 2865, 3820, 4011, 4584, 5242, 5348, 5730, 6685, 7640, 7863, 8022, 10484, 10696, 11460, 13105, 13370, 15726, 16044, 18347, 20055, 20968, 22920, 26210, 26740, 31452, 32088, 36694, 39315, 40110, 52420, 53480, 55041, 62904, 73388, 78630, 80220, 91735, 104840, 110082, 146776, 157260, 160440, 183470, 220164, 275205, 314520, 366940, 440328, 500611, 550410, 733880, 1001222, 1100820, 1501833, 2002444, 2201640, 2503055, 3003666, 3504277, 4004888, 5006110, 6007332, 7008554, 7509165, 10012220, 10512831, 12014664, 14017108, 15018330, 17521385, 20024440, 21025662, 28034216, 30036660, 35042770, 42051324, 52564155, 60073320, 70085540, 84102648, 105128310, 140171080, 210256620, 420513240]

約数ペア:

[(1, 420513240), (2, 210256620), (3, 140171080), (4, 105128310), (5, 84102648), (6, 70085540), (7, 60073320), (8, 52564155), (10, 42051324), (12, 35042770), (14, 30036660), (15, 28034216), (20, 21025662), (21, 20024440), (24, 17521385), (28, 15018330), (30, 14017108), (35, 12014664), (40, 10512831), (42, 10012220), (56, 7509165), (60, 7008554), (70, 6007332), (84, 5006110), (105, 4004888), (120, 3504277), (140, 3003666), (168, 2503055), (191, 2201640), (210, 2002444), (280, 1501833), (382, 1100820), (420, 1001222), (573, 733880), (764, 550410), (840, 500611), (955, 440328), (1146, 366940), (1337, 314520), (1528, 275205), (1910, 220164), (2292, 183470), (2621, 160440), (2674, 157260), (2865, 146776), (3820, 110082), (4011, 104840), (4584, 91735), (5242, 80220), (5348, 78630), (5730, 73388), (6685, 62904), (7640, 55041), (7863, 53480), (8022, 52420), (10484, 40110), (10696, 39315), (11460, 36694), (13105, 32088), (13370, 31452), (15726, 26740), (16044, 26210), (18347, 22920), (20055, 20968)]