257694080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{593}}^1$

素因数の和:716

約数の個数: 128

約数和(自身を含む): 712514880

約数和(自身を除く): 454820800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 128, 140, 160, 194, 224, 280, 320, 388, 448, 485, 560, 593, 640, 679, 776, 896, 970, 1120, 1186, 1358, 1552, 1940, 2240, 2372, 2716, 2965, 3104, 3395, 3880, 4151, 4480, 4744, 5432, 5930, 6208, 6790, 7760, 8302, 9488, 10864, 11860, 12416, 13580, 15520, 16604, 18976, 20755, 21728, 23720, 27160, 31040, 33208, 37952, 41510, 43456, 47440, 54320, 57521, 62080, 66416, 75904, 83020, 86912, 94880, 108640, 115042, 132832, 166040, 189760, 217280, 230084, 265664, 287605, 332080, 379520, 402647, 434560, 460168, 531328, 575210, 664160, 805294, 920336, 1150420, 1328320, 1610588, 1840672, 2013235, 2300840, 2656640, 3221176, 3681344, 4026470, 4601680, 6442352, 7362688, 8052940, 9203360, 12884704, 16105880, 18406720, 25769408, 32211760, 36813440, 51538816, 64423520, 128847040, 257694080]

約数ペア:

[(1, 257694080), (2, 128847040), (4, 64423520), (5, 51538816), (7, 36813440), (8, 32211760), (10, 25769408), (14, 18406720), (16, 16105880), (20, 12884704), (28, 9203360), (32, 8052940), (35, 7362688), (40, 6442352), (56, 4601680), (64, 4026470), (70, 3681344), (80, 3221176), (97, 2656640), (112, 2300840), (128, 2013235), (140, 1840672), (160, 1610588), (194, 1328320), (224, 1150420), (280, 920336), (320, 805294), (388, 664160), (448, 575210), (485, 531328), (560, 460168), (593, 434560), (640, 402647), (679, 379520), (776, 332080), (896, 287605), (970, 265664), (1120, 230084), (1186, 217280), (1358, 189760), (1552, 166040), (1940, 132832), (2240, 115042), (2372, 108640), (2716, 94880), (2965, 86912), (3104, 83020), (3395, 75904), (3880, 66416), (4151, 62080), (4480, 57521), (4744, 54320), (5432, 47440), (5930, 43456), (6208, 41510), (6790, 37952), (7760, 33208), (8302, 31040), (9488, 27160), (10864, 23720), (11860, 21728), (12416, 20755), (13580, 18976), (15520, 16604)]