51768720

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{2663}}^1$

素因数の和:2691

約数の個数: 120

約数和(自身を含む): 180363456

約数和(自身を除く): 128594736

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, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 2663, 3240, 3888, 4860, 5326, 6480, 7989, 9720, 10652, 13315, 15978, 19440, 21304, 23967, 26630, 31956, 39945, 42608, 47934, 53260, 63912, 71901, 79890, 95868, 106520, 119835, 127824, 143802, 159780, 191736, 213040, 215703, 239670, 287604, 319560, 359505, 383472, 431406, 479340, 575208, 639120, 647109, 719010, 862812, 958680, 1078515, 1150416, 1294218, 1438020, 1725624, 1917360, 2157030, 2588436, 2876040, 3235545, 3451248, 4314060, 5176872, 5752080, 6471090, 8628120, 10353744, 12942180, 17256240, 25884360, 51768720]

約数ペア:

[(1, 51768720), (2, 25884360), (3, 17256240), (4, 12942180), (5, 10353744), (6, 8628120), (8, 6471090), (9, 5752080), (10, 5176872), (12, 4314060), (15, 3451248), (16, 3235545), (18, 2876040), (20, 2588436), (24, 2157030), (27, 1917360), (30, 1725624), (36, 1438020), (40, 1294218), (45, 1150416), (48, 1078515), (54, 958680), (60, 862812), (72, 719010), (80, 647109), (81, 639120), (90, 575208), (108, 479340), (120, 431406), (135, 383472), (144, 359505), (162, 319560), (180, 287604), (216, 239670), (240, 215703), (243, 213040), (270, 191736), (324, 159780), (360, 143802), (405, 127824), (432, 119835), (486, 106520), (540, 95868), (648, 79890), (720, 71901), (810, 63912), (972, 53260), (1080, 47934), (1215, 42608), (1296, 39945), (1620, 31956), (1944, 26630), (2160, 23967), (2430, 21304), (2663, 19440), (3240, 15978), (3888, 13315), (4860, 10652), (5326, 9720), (6480, 7989)]