320230400

素因数分解:

$2^{10}\times 5^2\times 7^1\times {\mathrm{1787}}^1$

素因数の和:1824

約数の個数: 132

約数和(自身を含む): 907688928

約数和(自身を除く): 587458528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 512, 560, 640, 700, 800, 896, 1024, 1120, 1280, 1400, 1600, 1787, 1792, 2240, 2560, 2800, 3200, 3574, 3584, 4480, 5120, 5600, 6400, 7148, 7168, 8935, 8960, 11200, 12509, 12800, 14296, 17870, 17920, 22400, 25018, 25600, 28592, 35740, 35840, 44675, 44800, 50036, 57184, 62545, 71480, 89350, 89600, 100072, 114368, 125090, 142960, 178700, 179200, 200144, 228736, 250180, 285920, 312725, 357400, 400288, 457472, 500360, 571840, 625450, 714800, 800576, 914944, 1000720, 1143680, 1250900, 1429600, 1601152, 1829888, 2001440, 2287360, 2501800, 2859200, 3202304, 4002880, 4574720, 5003600, 5718400, 6404608, 8005760, 9149440, 10007200, 11436800, 12809216, 16011520, 20014400, 22873600, 32023040, 40028800, 45747200, 64046080, 80057600, 160115200, 320230400]

約数ペア:

[(1, 320230400), (2, 160115200), (4, 80057600), (5, 64046080), (7, 45747200), (8, 40028800), (10, 32023040), (14, 22873600), (16, 20014400), (20, 16011520), (25, 12809216), (28, 11436800), (32, 10007200), (35, 9149440), (40, 8005760), (50, 6404608), (56, 5718400), (64, 5003600), (70, 4574720), (80, 4002880), (100, 3202304), (112, 2859200), (128, 2501800), (140, 2287360), (160, 2001440), (175, 1829888), (200, 1601152), (224, 1429600), (256, 1250900), (280, 1143680), (320, 1000720), (350, 914944), (400, 800576), (448, 714800), (512, 625450), (560, 571840), (640, 500360), (700, 457472), (800, 400288), (896, 357400), (1024, 312725), (1120, 285920), (1280, 250180), (1400, 228736), (1600, 200144), (1787, 179200), (1792, 178700), (2240, 142960), (2560, 125090), (2800, 114368), (3200, 100072), (3574, 89600), (3584, 89350), (4480, 71480), (5120, 62545), (5600, 57184), (6400, 50036), (7148, 44800), (7168, 44675), (8935, 35840), (8960, 35740), (11200, 28592), (12509, 25600), (12800, 25018), (14296, 22400), (17870, 17920)]