81528120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{25163}}^1$

素因数の和:25186

約数の個数: 80

約数和(自身を含む): 274035960

約数和(自身を除く): 192507840

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, 25163, 50326, 75489, 100652, 125815, 150978, 201304, 226467, 251630, 301956, 377445, 452934, 503260, 603912, 679401, 754890, 905868, 1006520, 1132335, 1358802, 1509780, 1811736, 2038203, 2264670, 2717604, 3019560, 3397005, 4076406, 4529340, 5435208, 6794010, 8152812, 9058680, 10191015, 13588020, 16305624, 20382030, 27176040, 40764060, 81528120]

約数ペア:

[(1, 81528120), (2, 40764060), (3, 27176040), (4, 20382030), (5, 16305624), (6, 13588020), (8, 10191015), (9, 9058680), (10, 8152812), (12, 6794010), (15, 5435208), (18, 4529340), (20, 4076406), (24, 3397005), (27, 3019560), (30, 2717604), (36, 2264670), (40, 2038203), (45, 1811736), (54, 1509780), (60, 1358802), (72, 1132335), (81, 1006520), (90, 905868), (108, 754890), (120, 679401), (135, 603912), (162, 503260), (180, 452934), (216, 377445), (270, 301956), (324, 251630), (360, 226467), (405, 201304), (540, 150978), (648, 125815), (810, 100652), (1080, 75489), (1620, 50326), (3240, 25163)]