257234280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69149}}^1$

素因数の和:69194

約数の個数: 64

約数和(自身を含む): 796608000

約数和(自身を除く): 539373720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 69149, 138298, 207447, 276596, 345745, 414894, 553192, 691490, 829788, 1037235, 1382980, 1659576, 2074470, 2143619, 2765960, 4148940, 4287238, 6430857, 8297880, 8574476, 10718095, 12861714, 17148952, 21436190, 25723428, 32154285, 42872380, 51446856, 64308570, 85744760, 128617140, 257234280]

約数ペア:

[(1, 257234280), (2, 128617140), (3, 85744760), (4, 64308570), (5, 51446856), (6, 42872380), (8, 32154285), (10, 25723428), (12, 21436190), (15, 17148952), (20, 12861714), (24, 10718095), (30, 8574476), (31, 8297880), (40, 6430857), (60, 4287238), (62, 4148940), (93, 2765960), (120, 2143619), (124, 2074470), (155, 1659576), (186, 1382980), (248, 1037235), (310, 829788), (372, 691490), (465, 553192), (620, 414894), (744, 345745), (930, 276596), (1240, 207447), (1860, 138298), (3720, 69149)]