65005440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{33857}}^1$

素因数の和:33879

約数の個数: 64

約数和(自身を含む): 207210960

約数和(自身を除く): 142205520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 33857, 67714, 101571, 135428, 169285, 203142, 270856, 338570, 406284, 507855, 541712, 677140, 812568, 1015710, 1083424, 1354280, 1625136, 2031420, 2166848, 2708560, 3250272, 4062840, 4333696, 5417120, 6500544, 8125680, 10834240, 13001088, 16251360, 21668480, 32502720, 65005440]

約数ペア:

[(1, 65005440), (2, 32502720), (3, 21668480), (4, 16251360), (5, 13001088), (6, 10834240), (8, 8125680), (10, 6500544), (12, 5417120), (15, 4333696), (16, 4062840), (20, 3250272), (24, 2708560), (30, 2166848), (32, 2031420), (40, 1625136), (48, 1354280), (60, 1083424), (64, 1015710), (80, 812568), (96, 677140), (120, 541712), (128, 507855), (160, 406284), (192, 338570), (240, 270856), (320, 203142), (384, 169285), (480, 135428), (640, 101571), (960, 67714), (1920, 33857)]