278317845

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 545126400

約数和(自身を除く): 266808555

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 103, 117, 149, 155, 195, 279, 309, 403, 447, 465, 515, 585, 745, 927, 1209, 1339, 1341, 1395, 1545, 1937, 2015, 2235, 3193, 3627, 4017, 4619, 4635, 5811, 6045, 6695, 6705, 9579, 9685, 12051, 13857, 15347, 15965, 17433, 18135, 20085, 23095, 28737, 29055, 41509, 41571, 46041, 47895, 60047, 60255, 69285, 76735, 87165, 124527, 138123, 143685, 180141, 199511, 207545, 207855, 230205, 300235, 373581, 475757, 540423, 598533, 622635, 690615, 900705, 997555, 1427271, 1795599, 1867905, 2378785, 2702115, 2992665, 4281813, 6184841, 7136355, 8977995, 18554523, 21409065, 30924205, 55663569, 92772615, 278317845]

約数ペア:

[(1, 278317845), (3, 92772615), (5, 55663569), (9, 30924205), (13, 21409065), (15, 18554523), (31, 8977995), (39, 7136355), (45, 6184841), (65, 4281813), (93, 2992665), (103, 2702115), (117, 2378785), (149, 1867905), (155, 1795599), (195, 1427271), (279, 997555), (309, 900705), (403, 690615), (447, 622635), (465, 598533), (515, 540423), (585, 475757), (745, 373581), (927, 300235), (1209, 230205), (1339, 207855), (1341, 207545), (1395, 199511), (1545, 180141), (1937, 143685), (2015, 138123), (2235, 124527), (3193, 87165), (3627, 76735), (4017, 69285), (4619, 60255), (4635, 60047), (5811, 47895), (6045, 46041), (6695, 41571), (6705, 41509), (9579, 29055), (9685, 28737), (12051, 23095), (13857, 20085), (15347, 18135), (15965, 17433)]