72720720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:410

約数の個数: 160

約数和(自身を含む): 253376640

約数和(自身を除く): 180655920

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, 90, 108, 120, 131, 135, 144, 180, 216, 240, 257, 262, 270, 360, 393, 432, 514, 524, 540, 655, 720, 771, 786, 1028, 1048, 1080, 1179, 1285, 1310, 1542, 1572, 1965, 2056, 2096, 2160, 2313, 2358, 2570, 2620, 3084, 3144, 3537, 3855, 3930, 4112, 4626, 4716, 5140, 5240, 5895, 6168, 6288, 6939, 7074, 7710, 7860, 9252, 9432, 10280, 10480, 11565, 11790, 12336, 13878, 14148, 15420, 15720, 17685, 18504, 18864, 20560, 23130, 23580, 27756, 28296, 30840, 31440, 33667, 34695, 35370, 37008, 46260, 47160, 55512, 56592, 61680, 67334, 69390, 70740, 92520, 94320, 101001, 111024, 134668, 138780, 141480, 168335, 185040, 202002, 269336, 277560, 282960, 303003, 336670, 404004, 505005, 538672, 555120, 606006, 673340, 808008, 909009, 1010010, 1212012, 1346680, 1515015, 1616016, 1818018, 2020020, 2424024, 2693360, 3030030, 3636036, 4040040, 4545045, 4848048, 6060060, 7272072, 8080080, 9090090, 12120120, 14544144, 18180180, 24240240, 36360360, 72720720]

約数ペア:

[(1, 72720720), (2, 36360360), (3, 24240240), (4, 18180180), (5, 14544144), (6, 12120120), (8, 9090090), (9, 8080080), (10, 7272072), (12, 6060060), (15, 4848048), (16, 4545045), (18, 4040040), (20, 3636036), (24, 3030030), (27, 2693360), (30, 2424024), (36, 2020020), (40, 1818018), (45, 1616016), (48, 1515015), (54, 1346680), (60, 1212012), (72, 1010010), (80, 909009), (90, 808008), (108, 673340), (120, 606006), (131, 555120), (135, 538672), (144, 505005), (180, 404004), (216, 336670), (240, 303003), (257, 282960), (262, 277560), (270, 269336), (360, 202002), (393, 185040), (432, 168335), (514, 141480), (524, 138780), (540, 134668), (655, 111024), (720, 101001), (771, 94320), (786, 92520), (1028, 70740), (1048, 69390), (1080, 67334), (1179, 61680), (1285, 56592), (1310, 55512), (1542, 47160), (1572, 46260), (1965, 37008), (2056, 35370), (2096, 34695), (2160, 33667), (2313, 31440), (2358, 30840), (2570, 28296), (2620, 27756), (3084, 23580), (3144, 23130), (3537, 20560), (3855, 18864), (3930, 18504), (4112, 17685), (4626, 15720), (4716, 15420), (5140, 14148), (5240, 13878), (5895, 12336), (6168, 11790), (6288, 11565), (6939, 10480), (7074, 10280), (7710, 9432), (7860, 9252)]