261946440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{34649}}^1$

素因数の和:34676

約数の個数: 128

約数和(自身を含む): 997920000

約数和(自身を除く): 735973560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 34649, 69298, 103947, 138596, 173245, 207894, 242543, 277192, 311841, 346490, 415788, 485086, 519735, 623682, 692980, 727629, 831576, 935523, 970172, 1039470, 1212715, 1247364, 1385960, 1455258, 1559205, 1871046, 1940344, 2078940, 2182887, 2425430, 2494728, 2910516, 3118410, 3638145, 3742092, 4157880, 4365774, 4677615, 4850860, 5821032, 6236820, 6548661, 7276290, 7484184, 8731548, 9355230, 9701720, 10914435, 12473640, 13097322, 14552580, 17463096, 18710460, 21828870, 26194644, 29105160, 32743305, 37420920, 43657740, 52389288, 65486610, 87315480, 130973220, 261946440]

約数ペア:

[(1, 261946440), (2, 130973220), (3, 87315480), (4, 65486610), (5, 52389288), (6, 43657740), (7, 37420920), (8, 32743305), (9, 29105160), (10, 26194644), (12, 21828870), (14, 18710460), (15, 17463096), (18, 14552580), (20, 13097322), (21, 12473640), (24, 10914435), (27, 9701720), (28, 9355230), (30, 8731548), (35, 7484184), (36, 7276290), (40, 6548661), (42, 6236820), (45, 5821032), (54, 4850860), (56, 4677615), (60, 4365774), (63, 4157880), (70, 3742092), (72, 3638145), (84, 3118410), (90, 2910516), (105, 2494728), (108, 2425430), (120, 2182887), (126, 2078940), (135, 1940344), (140, 1871046), (168, 1559205), (180, 1455258), (189, 1385960), (210, 1247364), (216, 1212715), (252, 1039470), (270, 970172), (280, 935523), (315, 831576), (360, 727629), (378, 692980), (420, 623682), (504, 519735), (540, 485086), (630, 415788), (756, 346490), (840, 311841), (945, 277192), (1080, 242543), (1260, 207894), (1512, 173245), (1890, 138596), (2520, 103947), (3780, 69298), (7560, 34649)]