390809640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{661}}^1$

素因数の和:1067

約数の個数: 128

約数和(自身を含む): 1267862400

約数和(自身を除く): 877052760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 379, 390, 520, 661, 758, 780, 1137, 1322, 1516, 1560, 1895, 1983, 2274, 2644, 3032, 3305, 3790, 3966, 4548, 4927, 5288, 5685, 6610, 7580, 7932, 8593, 9096, 9854, 9915, 11370, 13220, 14781, 15160, 15864, 17186, 19708, 19830, 22740, 24635, 25779, 26440, 29562, 34372, 39416, 39660, 42965, 45480, 49270, 51558, 59124, 68744, 73905, 79320, 85930, 98540, 103116, 118248, 128895, 147810, 171860, 197080, 206232, 250519, 257790, 295620, 343720, 501038, 515580, 591240, 751557, 1002076, 1031160, 1252595, 1503114, 2004152, 2505190, 3006228, 3256747, 3757785, 5010380, 6012456, 6513494, 7515570, 9770241, 10020760, 13026988, 15031140, 16283735, 19540482, 26053976, 30062280, 32567470, 39080964, 48851205, 65134940, 78161928, 97702410, 130269880, 195404820, 390809640]

約数ペア:

[(1, 390809640), (2, 195404820), (3, 130269880), (4, 97702410), (5, 78161928), (6, 65134940), (8, 48851205), (10, 39080964), (12, 32567470), (13, 30062280), (15, 26053976), (20, 19540482), (24, 16283735), (26, 15031140), (30, 13026988), (39, 10020760), (40, 9770241), (52, 7515570), (60, 6513494), (65, 6012456), (78, 5010380), (104, 3757785), (120, 3256747), (130, 3006228), (156, 2505190), (195, 2004152), (260, 1503114), (312, 1252595), (379, 1031160), (390, 1002076), (520, 751557), (661, 591240), (758, 515580), (780, 501038), (1137, 343720), (1322, 295620), (1516, 257790), (1560, 250519), (1895, 206232), (1983, 197080), (2274, 171860), (2644, 147810), (3032, 128895), (3305, 118248), (3790, 103116), (3966, 98540), (4548, 85930), (4927, 79320), (5288, 73905), (5685, 68744), (6610, 59124), (7580, 51558), (7932, 49270), (8593, 45480), (9096, 42965), (9854, 39660), (9915, 39416), (11370, 34372), (13220, 29562), (14781, 26440), (15160, 25779), (15864, 24635), (17186, 22740), (19708, 19830)]