256542576

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2137}}^1$

素因数の和:2250

約数の個数: 80

約数和(自身を含む): 690351648

約数和(自身を除く): 433809072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 61, 82, 122, 123, 164, 183, 244, 246, 328, 366, 488, 492, 656, 732, 976, 984, 1464, 1968, 2137, 2501, 2928, 4274, 5002, 6411, 7503, 8548, 10004, 12822, 15006, 17096, 20008, 25644, 30012, 34192, 40016, 51288, 60024, 87617, 102576, 120048, 130357, 175234, 260714, 262851, 350468, 391071, 521428, 525702, 700936, 782142, 1042856, 1051404, 1401872, 1564284, 2085712, 2102808, 3128568, 4205616, 5344637, 6257136, 10689274, 16033911, 21378548, 32067822, 42757096, 64135644, 85514192, 128271288, 256542576]

約数ペア:

[(1, 256542576), (2, 128271288), (3, 85514192), (4, 64135644), (6, 42757096), (8, 32067822), (12, 21378548), (16, 16033911), (24, 10689274), (41, 6257136), (48, 5344637), (61, 4205616), (82, 3128568), (122, 2102808), (123, 2085712), (164, 1564284), (183, 1401872), (244, 1051404), (246, 1042856), (328, 782142), (366, 700936), (488, 525702), (492, 521428), (656, 391071), (732, 350468), (976, 262851), (984, 260714), (1464, 175234), (1968, 130357), (2137, 120048), (2501, 102576), (2928, 87617), (4274, 60024), (5002, 51288), (6411, 40016), (7503, 34192), (8548, 30012), (10004, 25644), (12822, 20008), (15006, 17096)]