79728480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4259}}^1$

素因数の和:4293

約数の個数: 144

約数和(自身を含む): 293070960

約数和(自身を除く): 213342480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4259, 4680, 6240, 8518, 9360, 12777, 17036, 18720, 21295, 25554, 34072, 38331, 42590, 51108, 55367, 63885, 68144, 76662, 85180, 102216, 110734, 127770, 136288, 153324, 166101, 170360, 191655, 204432, 221468, 255540, 276835, 306648, 332202, 340720, 383310, 408864, 442936, 498303, 511080, 553670, 613296, 664404, 681440, 766620, 830505, 885872, 996606, 1022160, 1107340, 1226592, 1328808, 1533240, 1661010, 1771744, 1993212, 2044320, 2214680, 2491515, 2657616, 3066480, 3322020, 3986424, 4429360, 4983030, 5315232, 6132960, 6644040, 7972848, 8858720, 9966060, 13288080, 15945696, 19932120, 26576160, 39864240, 79728480]

約数ペア:

[(1, 79728480), (2, 39864240), (3, 26576160), (4, 19932120), (5, 15945696), (6, 13288080), (8, 9966060), (9, 8858720), (10, 7972848), (12, 6644040), (13, 6132960), (15, 5315232), (16, 4983030), (18, 4429360), (20, 3986424), (24, 3322020), (26, 3066480), (30, 2657616), (32, 2491515), (36, 2214680), (39, 2044320), (40, 1993212), (45, 1771744), (48, 1661010), (52, 1533240), (60, 1328808), (65, 1226592), (72, 1107340), (78, 1022160), (80, 996606), (90, 885872), (96, 830505), (104, 766620), (117, 681440), (120, 664404), (130, 613296), (144, 553670), (156, 511080), (160, 498303), (180, 442936), (195, 408864), (208, 383310), (234, 340720), (240, 332202), (260, 306648), (288, 276835), (312, 255540), (360, 221468), (390, 204432), (416, 191655), (468, 170360), (480, 166101), (520, 153324), (585, 136288), (624, 127770), (720, 110734), (780, 102216), (936, 85180), (1040, 76662), (1170, 68144), (1248, 63885), (1440, 55367), (1560, 51108), (1872, 42590), (2080, 38331), (2340, 34072), (3120, 25554), (3744, 21295), (4259, 18720), (4680, 17036), (6240, 12777), (8518, 9360)]