78637728

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 231317856

約数和(自身を除く): 152680128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 37, 39, 48, 52, 74, 78, 96, 104, 111, 131, 148, 156, 169, 208, 222, 262, 296, 312, 338, 393, 416, 444, 481, 507, 524, 592, 624, 676, 786, 888, 962, 1014, 1048, 1184, 1248, 1352, 1443, 1572, 1703, 1776, 1924, 2028, 2096, 2704, 2886, 3144, 3406, 3552, 3848, 4056, 4192, 4847, 5109, 5408, 5772, 6253, 6288, 6812, 7696, 8112, 9694, 10218, 11544, 12506, 12576, 13624, 14541, 15392, 16224, 18759, 19388, 20436, 22139, 23088, 25012, 27248, 29082, 37518, 38776, 40872, 44278, 46176, 50024, 54496, 58164, 63011, 66417, 75036, 77552, 81744, 88556, 100048, 116328, 126022, 132834, 150072, 155104, 163488, 177112, 189033, 200096, 232656, 252044, 265668, 300144, 354224, 378066, 465312, 504088, 531336, 600288, 708448, 756132, 819143, 1008176, 1062672, 1512264, 1638286, 2016352, 2125344, 2457429, 3024528, 3276572, 4914858, 6049056, 6553144, 9829716, 13106288, 19659432, 26212576, 39318864, 78637728]

約数ペア:

[(1, 78637728), (2, 39318864), (3, 26212576), (4, 19659432), (6, 13106288), (8, 9829716), (12, 6553144), (13, 6049056), (16, 4914858), (24, 3276572), (26, 3024528), (32, 2457429), (37, 2125344), (39, 2016352), (48, 1638286), (52, 1512264), (74, 1062672), (78, 1008176), (96, 819143), (104, 756132), (111, 708448), (131, 600288), (148, 531336), (156, 504088), (169, 465312), (208, 378066), (222, 354224), (262, 300144), (296, 265668), (312, 252044), (338, 232656), (393, 200096), (416, 189033), (444, 177112), (481, 163488), (507, 155104), (524, 150072), (592, 132834), (624, 126022), (676, 116328), (786, 100048), (888, 88556), (962, 81744), (1014, 77552), (1048, 75036), (1184, 66417), (1248, 63011), (1352, 58164), (1443, 54496), (1572, 50024), (1703, 46176), (1776, 44278), (1924, 40872), (2028, 38776), (2096, 37518), (2704, 29082), (2886, 27248), (3144, 25012), (3406, 23088), (3552, 22139), (3848, 20436), (4056, 19388), (4192, 18759), (4847, 16224), (5109, 15392), (5408, 14541), (5772, 13624), (6253, 12576), (6288, 12506), (6812, 11544), (7696, 10218), (8112, 9694)]