1261040480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{673}}^1$

素因数の和:941

約数の個数: 144

約数和(自身を含む): 3485280960

約数和(自身を除く): 2224240480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 239, 245, 280, 392, 478, 490, 560, 673, 784, 956, 980, 1120, 1195, 1346, 1568, 1673, 1912, 1960, 2390, 2692, 3346, 3365, 3824, 3920, 4711, 4780, 5384, 6692, 6730, 7648, 7840, 8365, 9422, 9560, 10768, 11711, 13384, 13460, 16730, 18844, 19120, 21536, 23422, 23555, 26768, 26920, 32977, 33460, 37688, 38240, 46844, 47110, 53536, 53840, 58555, 65954, 66920, 75376, 93688, 94220, 107680, 117110, 131908, 133840, 150752, 160847, 164885, 187376, 188440, 234220, 263816, 267680, 321694, 329770, 374752, 376880, 468440, 527632, 643388, 659540, 753760, 804235, 936880, 1055264, 1125929, 1286776, 1319080, 1608470, 1873760, 2251858, 2573552, 2638160, 3216940, 4503716, 5147104, 5276320, 5629645, 6433880, 7881503, 9007432, 11259290, 12867760, 15763006, 18014864, 22518580, 25735520, 31526012, 36029728, 39407515, 45037160, 63052024, 78815030, 90074320, 126104048, 157630060, 180148640, 252208096, 315260120, 630520240, 1261040480]

約数ペア:

[(1, 1261040480), (2, 630520240), (4, 315260120), (5, 252208096), (7, 180148640), (8, 157630060), (10, 126104048), (14, 90074320), (16, 78815030), (20, 63052024), (28, 45037160), (32, 39407515), (35, 36029728), (40, 31526012), (49, 25735520), (56, 22518580), (70, 18014864), (80, 15763006), (98, 12867760), (112, 11259290), (140, 9007432), (160, 7881503), (196, 6433880), (224, 5629645), (239, 5276320), (245, 5147104), (280, 4503716), (392, 3216940), (478, 2638160), (490, 2573552), (560, 2251858), (673, 1873760), (784, 1608470), (956, 1319080), (980, 1286776), (1120, 1125929), (1195, 1055264), (1346, 936880), (1568, 804235), (1673, 753760), (1912, 659540), (1960, 643388), (2390, 527632), (2692, 468440), (3346, 376880), (3365, 374752), (3824, 329770), (3920, 321694), (4711, 267680), (4780, 263816), (5384, 234220), (6692, 188440), (6730, 187376), (7648, 164885), (7840, 160847), (8365, 150752), (9422, 133840), (9560, 131908), (10768, 117110), (11711, 107680), (13384, 94220), (13460, 93688), (16730, 75376), (18844, 66920), (19120, 65954), (21536, 58555), (23422, 53840), (23555, 53536), (26768, 47110), (26920, 46844), (32977, 38240), (33460, 37688)]