1520581335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 3096576000

約数和(自身を除く): 1575994665

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 59, 65, 79, 91, 105, 177, 195, 237, 239, 273, 295, 395, 413, 455, 553, 717, 767, 885, 1027, 1185, 1195, 1239, 1365, 1659, 1673, 2065, 2301, 2765, 3081, 3107, 3585, 3835, 4661, 5019, 5135, 5369, 6195, 7189, 8295, 8365, 9321, 11505, 13983, 14101, 15405, 15535, 16107, 18881, 21567, 21749, 23305, 25095, 26845, 32627, 35945, 42303, 46605, 56643, 60593, 65247, 69915, 70505, 80535, 94405, 97881, 98707, 107835, 108745, 132167, 163135, 181779, 183313, 211515, 245453, 283215, 296121, 302965, 326235, 396501, 424151, 489405, 493535, 549939, 660835, 736359, 908895, 916565, 1113979, 1227265, 1272453, 1283191, 1480605, 1718171, 1982505, 2120755, 2749695, 3341937, 3681795, 3849573, 5154513, 5569895, 6362265, 6415955, 7797853, 8590855, 14481727, 16709685, 19247865, 23393559, 25772565, 38989265, 43445181, 72408635, 101372089, 116967795, 217225905, 304116267, 506860445, 1520581335]

約数ペア:

[(1, 1520581335), (3, 506860445), (5, 304116267), (7, 217225905), (13, 116967795), (15, 101372089), (21, 72408635), (35, 43445181), (39, 38989265), (59, 25772565), (65, 23393559), (79, 19247865), (91, 16709685), (105, 14481727), (177, 8590855), (195, 7797853), (237, 6415955), (239, 6362265), (273, 5569895), (295, 5154513), (395, 3849573), (413, 3681795), (455, 3341937), (553, 2749695), (717, 2120755), (767, 1982505), (885, 1718171), (1027, 1480605), (1185, 1283191), (1195, 1272453), (1239, 1227265), (1365, 1113979), (1659, 916565), (1673, 908895), (2065, 736359), (2301, 660835), (2765, 549939), (3081, 493535), (3107, 489405), (3585, 424151), (3835, 396501), (4661, 326235), (5019, 302965), (5135, 296121), (5369, 283215), (6195, 245453), (7189, 211515), (8295, 183313), (8365, 181779), (9321, 163135), (11505, 132167), (13983, 108745), (14101, 107835), (15405, 98707), (15535, 97881), (16107, 94405), (18881, 80535), (21567, 70505), (21749, 69915), (23305, 65247), (25095, 60593), (26845, 56643), (32627, 46605), (35945, 42303)]