145480120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 336362400

約数和(自身を除く): 190882280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 109, 122, 218, 244, 305, 436, 488, 545, 547, 610, 872, 1090, 1094, 1220, 2180, 2188, 2440, 2735, 4360, 4376, 5470, 6649, 10940, 13298, 21880, 26596, 33245, 33367, 53192, 59623, 66490, 66734, 119246, 132980, 133468, 166835, 238492, 265960, 266936, 298115, 333670, 476984, 596230, 667340, 1192460, 1334680, 2384920, 3637003, 7274006, 14548012, 18185015, 29096024, 36370030, 72740060, 145480120]

約数ペア:

[(1, 145480120), (2, 72740060), (4, 36370030), (5, 29096024), (8, 18185015), (10, 14548012), (20, 7274006), (40, 3637003), (61, 2384920), (109, 1334680), (122, 1192460), (218, 667340), (244, 596230), (305, 476984), (436, 333670), (488, 298115), (545, 266936), (547, 265960), (610, 238492), (872, 166835), (1090, 133468), (1094, 132980), (1220, 119246), (2180, 66734), (2188, 66490), (2440, 59623), (2735, 53192), (4360, 33367), (4376, 33245), (5470, 26596), (6649, 21880), (10940, 13298)]