20777040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9619}}^1$

素因数の和:9641

約数の個数: 80

約数和(自身を含む): 71572800

約数和(自身を除く): 50795760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9619, 19238, 28857, 38476, 48095, 57714, 76952, 86571, 96190, 115428, 144285, 153904, 173142, 192380, 230856, 259713, 288570, 346284, 384760, 432855, 461712, 519426, 577140, 692568, 769520, 865710, 1038852, 1154280, 1298565, 1385136, 1731420, 2077704, 2308560, 2597130, 3462840, 4155408, 5194260, 6925680, 10388520, 20777040]

約数ペア:

[(1, 20777040), (2, 10388520), (3, 6925680), (4, 5194260), (5, 4155408), (6, 3462840), (8, 2597130), (9, 2308560), (10, 2077704), (12, 1731420), (15, 1385136), (16, 1298565), (18, 1154280), (20, 1038852), (24, 865710), (27, 769520), (30, 692568), (36, 577140), (40, 519426), (45, 461712), (48, 432855), (54, 384760), (60, 346284), (72, 288570), (80, 259713), (90, 230856), (108, 192380), (120, 173142), (135, 153904), (144, 144285), (180, 115428), (216, 96190), (240, 86571), (270, 76952), (360, 57714), (432, 48095), (540, 38476), (720, 28857), (1080, 19238), (2160, 9619)]