12988160

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 31763760

約数和(自身を除く): 18775600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 139, 146, 160, 256, 278, 292, 320, 365, 556, 584, 640, 695, 730, 1112, 1168, 1280, 1390, 1460, 2224, 2336, 2780, 2920, 4448, 4672, 5560, 5840, 8896, 9344, 10147, 11120, 11680, 17792, 18688, 20294, 22240, 23360, 35584, 40588, 44480, 46720, 50735, 81176, 88960, 93440, 101470, 162352, 177920, 202940, 324704, 405880, 649408, 811760, 1298816, 1623520, 2597632, 3247040, 6494080, 12988160]

約数ペア:

[(1, 12988160), (2, 6494080), (4, 3247040), (5, 2597632), (8, 1623520), (10, 1298816), (16, 811760), (20, 649408), (32, 405880), (40, 324704), (64, 202940), (73, 177920), (80, 162352), (128, 101470), (139, 93440), (146, 88960), (160, 81176), (256, 50735), (278, 46720), (292, 44480), (320, 40588), (365, 35584), (556, 23360), (584, 22240), (640, 20294), (695, 18688), (730, 17792), (1112, 11680), (1168, 11120), (1280, 10147), (1390, 9344), (1460, 8896), (2224, 5840), (2336, 5560), (2780, 4672), (2920, 4448)]