31300776

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 95558400

約数和(自身を除く): 64257624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 71, 72, 78, 104, 108, 117, 142, 156, 157, 213, 216, 234, 284, 312, 314, 351, 426, 468, 471, 568, 628, 639, 702, 852, 923, 936, 942, 1256, 1278, 1404, 1413, 1704, 1846, 1884, 1917, 2041, 2556, 2769, 2808, 2826, 3692, 3768, 3834, 4082, 4239, 5112, 5538, 5652, 6123, 7384, 7668, 8164, 8307, 8478, 11076, 11147, 11304, 12246, 15336, 16328, 16614, 16956, 18369, 22152, 22294, 24492, 24921, 33228, 33441, 33912, 36738, 44588, 48984, 49842, 55107, 66456, 66882, 73476, 89176, 99684, 100323, 110214, 133764, 144911, 146952, 199368, 200646, 220428, 267528, 289822, 300969, 401292, 434733, 440856, 579644, 601938, 802584, 869466, 1159288, 1203876, 1304199, 1738932, 2407752, 2608398, 3477864, 3912597, 5216796, 7825194, 10433592, 15650388, 31300776]

約数ペア:

[(1, 31300776), (2, 15650388), (3, 10433592), (4, 7825194), (6, 5216796), (8, 3912597), (9, 3477864), (12, 2608398), (13, 2407752), (18, 1738932), (24, 1304199), (26, 1203876), (27, 1159288), (36, 869466), (39, 802584), (52, 601938), (54, 579644), (71, 440856), (72, 434733), (78, 401292), (104, 300969), (108, 289822), (117, 267528), (142, 220428), (156, 200646), (157, 199368), (213, 146952), (216, 144911), (234, 133764), (284, 110214), (312, 100323), (314, 99684), (351, 89176), (426, 73476), (468, 66882), (471, 66456), (568, 55107), (628, 49842), (639, 48984), (702, 44588), (852, 36738), (923, 33912), (936, 33441), (942, 33228), (1256, 24921), (1278, 24492), (1404, 22294), (1413, 22152), (1704, 18369), (1846, 16956), (1884, 16614), (1917, 16328), (2041, 15336), (2556, 12246), (2769, 11304), (2808, 11147), (2826, 11076), (3692, 8478), (3768, 8307), (3834, 8164), (4082, 7668), (4239, 7384), (5112, 6123), (5538, 5652)]