19840680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18371}}^1$

素因数の和:18391

約数の個数: 64

約数和(自身を含む): 66139200

約数和(自身を除く): 46298520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18371, 36742, 55113, 73484, 91855, 110226, 146968, 165339, 183710, 220452, 275565, 330678, 367420, 440904, 496017, 551130, 661356, 734840, 826695, 992034, 1102260, 1322712, 1653390, 1984068, 2204520, 2480085, 3306780, 3968136, 4960170, 6613560, 9920340, 19840680]

約数ペア:

[(1, 19840680), (2, 9920340), (3, 6613560), (4, 4960170), (5, 3968136), (6, 3306780), (8, 2480085), (9, 2204520), (10, 1984068), (12, 1653390), (15, 1322712), (18, 1102260), (20, 992034), (24, 826695), (27, 734840), (30, 661356), (36, 551130), (40, 496017), (45, 440904), (54, 367420), (60, 330678), (72, 275565), (90, 220452), (108, 183710), (120, 165339), (135, 146968), (180, 110226), (216, 91855), (270, 73484), (360, 55113), (540, 36742), (1080, 18371)]