1888894720

素因数分解:

$2^8\times 5^1\times {\mathrm{383}}^1\times {\mathrm{3853}}^1$

素因数の和:4257

約数の個数: 72

約数和(自身を含む): 4537483776

約数和(自身を除く): 2648589056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 383, 640, 766, 1280, 1532, 1915, 3064, 3830, 3853, 6128, 7660, 7706, 12256, 15320, 15412, 19265, 24512, 30640, 30824, 38530, 49024, 61280, 61648, 77060, 98048, 122560, 123296, 154120, 245120, 246592, 308240, 490240, 493184, 616480, 986368, 1232960, 1475699, 2465920, 2951398, 4931840, 5902796, 7378495, 11805592, 14756990, 23611184, 29513980, 47222368, 59027960, 94444736, 118055920, 188889472, 236111840, 377778944, 472223680, 944447360, 1888894720]

約数ペア:

[(1, 1888894720), (2, 944447360), (4, 472223680), (5, 377778944), (8, 236111840), (10, 188889472), (16, 118055920), (20, 94444736), (32, 59027960), (40, 47222368), (64, 29513980), (80, 23611184), (128, 14756990), (160, 11805592), (256, 7378495), (320, 5902796), (383, 4931840), (640, 2951398), (766, 2465920), (1280, 1475699), (1532, 1232960), (1915, 986368), (3064, 616480), (3830, 493184), (3853, 490240), (6128, 308240), (7660, 246592), (7706, 245120), (12256, 154120), (15320, 123296), (15412, 122560), (19265, 98048), (24512, 77060), (30640, 61648), (30824, 61280), (38530, 49024)]