639147240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20407}}^1$

素因数の和:20456

約数の個数: 128

約数和(自身を含む): 2204064000

約数和(自身を除く): 1564916760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 290, 348, 360, 435, 522, 540, 580, 696, 783, 870, 1044, 1080, 1160, 1305, 1566, 1740, 2088, 2610, 3132, 3480, 3915, 5220, 6264, 7830, 10440, 15660, 20407, 31320, 40814, 61221, 81628, 102035, 122442, 163256, 183663, 204070, 244884, 306105, 367326, 408140, 489768, 550989, 591803, 612210, 734652, 816280, 918315, 1101978, 1183606, 1224420, 1469304, 1775409, 1836630, 2203956, 2367212, 2448840, 2754945, 2959015, 3550818, 3673260, 4407912, 4734424, 5326227, 5509890, 5918030, 7101636, 7346520, 8877045, 10652454, 11019780, 11836060, 14203272, 15978681, 17754090, 21304908, 22039560, 23672120, 26631135, 31957362, 35508180, 42609816, 53262270, 63914724, 71016360, 79893405, 106524540, 127829448, 159786810, 213049080, 319573620, 639147240]

約数ペア:

[(1, 639147240), (2, 319573620), (3, 213049080), (4, 159786810), (5, 127829448), (6, 106524540), (8, 79893405), (9, 71016360), (10, 63914724), (12, 53262270), (15, 42609816), (18, 35508180), (20, 31957362), (24, 26631135), (27, 23672120), (29, 22039560), (30, 21304908), (36, 17754090), (40, 15978681), (45, 14203272), (54, 11836060), (58, 11019780), (60, 10652454), (72, 8877045), (87, 7346520), (90, 7101636), (108, 5918030), (116, 5509890), (120, 5326227), (135, 4734424), (145, 4407912), (174, 3673260), (180, 3550818), (216, 2959015), (232, 2754945), (261, 2448840), (270, 2367212), (290, 2203956), (348, 1836630), (360, 1775409), (435, 1469304), (522, 1224420), (540, 1183606), (580, 1101978), (696, 918315), (783, 816280), (870, 734652), (1044, 612210), (1080, 591803), (1160, 550989), (1305, 489768), (1566, 408140), (1740, 367326), (2088, 306105), (2610, 244884), (3132, 204070), (3480, 183663), (3915, 163256), (5220, 122442), (6264, 102035), (7830, 81628), (10440, 61221), (15660, 40814), (20407, 31320)]