644077728

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{319483}}^1$

素因数の和:319506

約数の個数: 72

約数和(自身を含む): 2093259168

約数和(自身を除く): 1449181440

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 319483, 638966, 958449, 1277932, 1916898, 2236381, 2555864, 2875347, 3833796, 4472762, 5111728, 5750694, 6709143, 7667592, 8945524, 10223456, 11501388, 13418286, 15335184, 17891048, 20127429, 23002776, 26836572, 30670368, 35782096, 40254858, 46005552, 53673144, 71564192, 80509716, 92011104, 107346288, 161019432, 214692576, 322038864, 644077728]

約数ペア:

[(1, 644077728), (2, 322038864), (3, 214692576), (4, 161019432), (6, 107346288), (7, 92011104), (8, 80509716), (9, 71564192), (12, 53673144), (14, 46005552), (16, 40254858), (18, 35782096), (21, 30670368), (24, 26836572), (28, 23002776), (32, 20127429), (36, 17891048), (42, 15335184), (48, 13418286), (56, 11501388), (63, 10223456), (72, 8945524), (84, 7667592), (96, 6709143), (112, 5750694), (126, 5111728), (144, 4472762), (168, 3833796), (224, 2875347), (252, 2555864), (288, 2236381), (336, 1916898), (504, 1277932), (672, 958449), (1008, 638966), (2016, 319483)]