131280720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12721}}^1$

素因数の和:12780

約数の個数: 80

約数和(自身を含む): 416467392

約数和(自身を除く): 285186672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 12721, 25442, 38163, 50884, 63605, 76326, 101768, 127210, 152652, 190815, 203536, 254420, 305304, 381630, 508840, 547003, 610608, 763260, 1017680, 1094006, 1526520, 1641009, 2188012, 2735015, 3053040, 3282018, 4376024, 5470030, 6564036, 8205045, 8752048, 10940060, 13128072, 16410090, 21880120, 26256144, 32820180, 43760240, 65640360, 131280720]

約数ペア:

[(1, 131280720), (2, 65640360), (3, 43760240), (4, 32820180), (5, 26256144), (6, 21880120), (8, 16410090), (10, 13128072), (12, 10940060), (15, 8752048), (16, 8205045), (20, 6564036), (24, 5470030), (30, 4376024), (40, 3282018), (43, 3053040), (48, 2735015), (60, 2188012), (80, 1641009), (86, 1526520), (120, 1094006), (129, 1017680), (172, 763260), (215, 610608), (240, 547003), (258, 508840), (344, 381630), (430, 305304), (516, 254420), (645, 203536), (688, 190815), (860, 152652), (1032, 127210), (1290, 101768), (1720, 76326), (2064, 63605), (2580, 50884), (3440, 38163), (5160, 25442), (10320, 12721)]