1980936720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{56149}}^1$

素因数の和:56182

約数の個数: 180

約数和(自身を含む): 7738929900

約数和(自身を除く): 5757993180

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8820, 11760, 17640, 35280, 56149, 112298, 168447, 224596, 280745, 336894, 393043, 449192, 505341, 561490, 673788, 786086, 842235, 898384, 1010682, 1122980, 1179129, 1347576, 1572172, 1684470, 1965215, 2021364, 2245960, 2358258, 2526705, 2695152, 2751301, 3144344, 3368940, 3537387, 3930430, 4042728, 4491920, 4716516, 5053410, 5502602, 5895645, 6288688, 6737880, 7074774, 7860860, 8085456, 8253903, 9433032, 10106820, 11005204, 11791290, 13475760, 13756505, 14149548, 15721720, 16507806, 17686935, 18866064, 20213640, 22010408, 23582580, 24761709, 27513010, 28299096, 31443440, 33015612, 35373870, 40427280, 41269515, 44020816, 47165160, 49523418, 55026020, 56598192, 66031224, 70747740, 82539030, 94330320, 99046836, 110052040, 123808545, 132062448, 141495480, 165078060, 198093672, 220104080, 247617090, 282990960, 330156120, 396187344, 495234180, 660312240, 990468360, 1980936720]

約数ペア:

[(1, 1980936720), (2, 990468360), (3, 660312240), (4, 495234180), (5, 396187344), (6, 330156120), (7, 282990960), (8, 247617090), (9, 220104080), (10, 198093672), (12, 165078060), (14, 141495480), (15, 132062448), (16, 123808545), (18, 110052040), (20, 99046836), (21, 94330320), (24, 82539030), (28, 70747740), (30, 66031224), (35, 56598192), (36, 55026020), (40, 49523418), (42, 47165160), (45, 44020816), (48, 41269515), (49, 40427280), (56, 35373870), (60, 33015612), (63, 31443440), (70, 28299096), (72, 27513010), (80, 24761709), (84, 23582580), (90, 22010408), (98, 20213640), (105, 18866064), (112, 17686935), (120, 16507806), (126, 15721720), (140, 14149548), (144, 13756505), (147, 13475760), (168, 11791290), (180, 11005204), (196, 10106820), (210, 9433032), (240, 8253903), (245, 8085456), (252, 7860860), (280, 7074774), (294, 6737880), (315, 6288688), (336, 5895645), (360, 5502602), (392, 5053410), (420, 4716516), (441, 4491920), (490, 4042728), (504, 3930430), (560, 3537387), (588, 3368940), (630, 3144344), (720, 2751301), (735, 2695152), (784, 2526705), (840, 2358258), (882, 2245960), (980, 2021364), (1008, 1965215), (1176, 1684470), (1260, 1572172), (1470, 1347576), (1680, 1179129), (1764, 1122980), (1960, 1010682), (2205, 898384), (2352, 842235), (2520, 786086), (2940, 673788), (3528, 561490), (3920, 505341), (4410, 449192), (5040, 393043), (5880, 336894), (7056, 280745), (8820, 224596), (11760, 168447), (17640, 112298), (35280, 56149)]