66407680

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1789}}^1$

素因数の和:1839

約数の個数: 72

約数和(自身を含む): 164644200

約数和(自身を除く): 98236520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 928, 1160, 1280, 1789, 1856, 2320, 3578, 3712, 4640, 7156, 7424, 8945, 9280, 14312, 17890, 18560, 28624, 35780, 37120, 51881, 57248, 71560, 103762, 114496, 143120, 207524, 228992, 259405, 286240, 415048, 457984, 518810, 572480, 830096, 1037620, 1144960, 1660192, 2075240, 2289920, 3320384, 4150480, 6640768, 8300960, 13281536, 16601920, 33203840, 66407680]

約数ペア:

[(1, 66407680), (2, 33203840), (4, 16601920), (5, 13281536), (8, 8300960), (10, 6640768), (16, 4150480), (20, 3320384), (29, 2289920), (32, 2075240), (40, 1660192), (58, 1144960), (64, 1037620), (80, 830096), (116, 572480), (128, 518810), (145, 457984), (160, 415048), (232, 286240), (256, 259405), (290, 228992), (320, 207524), (464, 143120), (580, 114496), (640, 103762), (928, 71560), (1160, 57248), (1280, 51881), (1789, 37120), (1856, 35780), (2320, 28624), (3578, 18560), (3712, 17890), (4640, 14312), (7156, 9280), (7424, 8945)]