80721882720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{18685621}}^1$

素因数の和:18685645

約数の個数: 96

約数和(自身を含む): 282526604640

約数和(自身を除く): 201804721920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 18685621, 37371242, 56056863, 74742484, 93428105, 112113726, 149484968, 168170589, 186856210, 224227452, 280284315, 298969936, 336341178, 373712420, 448454904, 504511767, 560568630, 597939872, 672682356, 747424840, 840852945, 896909808, 1009023534, 1121137260, 1345364712, 1494849680, 1681705890, 1793819616, 2018047068, 2242274520, 2522558835, 2690729424, 2989699360, 3363411780, 4036094136, 4484549040, 5045117670, 5381458848, 6726823560, 8072188272, 8969098080, 10090235340, 13453647120, 16144376544, 20180470680, 26907294240, 40360941360, 80721882720]

約数ペア:

[(1, 80721882720), (2, 40360941360), (3, 26907294240), (4, 20180470680), (5, 16144376544), (6, 13453647120), (8, 10090235340), (9, 8969098080), (10, 8072188272), (12, 6726823560), (15, 5381458848), (16, 5045117670), (18, 4484549040), (20, 4036094136), (24, 3363411780), (27, 2989699360), (30, 2690729424), (32, 2522558835), (36, 2242274520), (40, 2018047068), (45, 1793819616), (48, 1681705890), (54, 1494849680), (60, 1345364712), (72, 1121137260), (80, 1009023534), (90, 896909808), (96, 840852945), (108, 747424840), (120, 672682356), (135, 597939872), (144, 560568630), (160, 504511767), (180, 448454904), (216, 373712420), (240, 336341178), (270, 298969936), (288, 280284315), (360, 224227452), (432, 186856210), (480, 168170589), (540, 149484968), (720, 112113726), (864, 93428105), (1080, 74742484), (1440, 56056863), (2160, 37371242), (4320, 18685621)]