19968120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6163}}^1$

素因数の和:6186

約数の個数: 80

約数和(自身を含む): 67125960

約数和(自身を除く): 47157840

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, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6163, 12326, 18489, 24652, 30815, 36978, 49304, 55467, 61630, 73956, 92445, 110934, 123260, 147912, 166401, 184890, 221868, 246520, 277335, 332802, 369780, 443736, 499203, 554670, 665604, 739560, 832005, 998406, 1109340, 1331208, 1664010, 1996812, 2218680, 2496015, 3328020, 3993624, 4992030, 6656040, 9984060, 19968120]

約数ペア:

[(1, 19968120), (2, 9984060), (3, 6656040), (4, 4992030), (5, 3993624), (6, 3328020), (8, 2496015), (9, 2218680), (10, 1996812), (12, 1664010), (15, 1331208), (18, 1109340), (20, 998406), (24, 832005), (27, 739560), (30, 665604), (36, 554670), (40, 499203), (45, 443736), (54, 369780), (60, 332802), (72, 277335), (81, 246520), (90, 221868), (108, 184890), (120, 166401), (135, 147912), (162, 123260), (180, 110934), (216, 92445), (270, 73956), (324, 61630), (360, 55467), (405, 49304), (540, 36978), (648, 30815), (810, 24652), (1080, 18489), (1620, 12326), (3240, 6163)]