257403744

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{7639}}^1$

素因数の和:7674

約数の個数: 120

約数和(自身を含む): 815356080

約数和(自身を除く): 557952336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 208, 216, 234, 288, 312, 324, 351, 416, 432, 468, 624, 648, 702, 864, 936, 1053, 1248, 1296, 1404, 1872, 2106, 2592, 2808, 3744, 4212, 5616, 7639, 8424, 11232, 15278, 16848, 22917, 30556, 33696, 45834, 61112, 68751, 91668, 99307, 122224, 137502, 183336, 198614, 206253, 244448, 275004, 297921, 366672, 397228, 412506, 550008, 595842, 618759, 733344, 794456, 825012, 893763, 1100016, 1191684, 1237518, 1588912, 1650024, 1787526, 2200032, 2383368, 2475036, 2681289, 3177824, 3300048, 3575052, 4766736, 4950072, 5362578, 6600096, 7150104, 8043867, 9533472, 9900144, 10725156, 14300208, 16087734, 19800288, 21450312, 28600416, 32175468, 42900624, 64350936, 85801248, 128701872, 257403744]

約数ペア:

[(1, 257403744), (2, 128701872), (3, 85801248), (4, 64350936), (6, 42900624), (8, 32175468), (9, 28600416), (12, 21450312), (13, 19800288), (16, 16087734), (18, 14300208), (24, 10725156), (26, 9900144), (27, 9533472), (32, 8043867), (36, 7150104), (39, 6600096), (48, 5362578), (52, 4950072), (54, 4766736), (72, 3575052), (78, 3300048), (81, 3177824), (96, 2681289), (104, 2475036), (108, 2383368), (117, 2200032), (144, 1787526), (156, 1650024), (162, 1588912), (208, 1237518), (216, 1191684), (234, 1100016), (288, 893763), (312, 825012), (324, 794456), (351, 733344), (416, 618759), (432, 595842), (468, 550008), (624, 412506), (648, 397228), (702, 366672), (864, 297921), (936, 275004), (1053, 244448), (1248, 206253), (1296, 198614), (1404, 183336), (1872, 137502), (2106, 122224), (2592, 99307), (2808, 91668), (3744, 68751), (4212, 61112), (5616, 45834), (7639, 33696), (8424, 30556), (11232, 22917), (15278, 16848)]