203758020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2477}}^1$

素因数の和:2949

約数の個数: 72

約数和(自身を含む): 619668504

約数和(自身を除く): 415910484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 457, 914, 1371, 1828, 2285, 2477, 2742, 4113, 4570, 4954, 5484, 6855, 7431, 8226, 9140, 9908, 12385, 13710, 14862, 16452, 20565, 22293, 24770, 27420, 29724, 37155, 41130, 44586, 49540, 74310, 82260, 89172, 111465, 148620, 222930, 445860, 1131989, 2263978, 3395967, 4527956, 5659945, 6791934, 10187901, 11319890, 13583868, 16979835, 20375802, 22639780, 33959670, 40751604, 50939505, 67919340, 101879010, 203758020]

約数ペア:

[(1, 203758020), (2, 101879010), (3, 67919340), (4, 50939505), (5, 40751604), (6, 33959670), (9, 22639780), (10, 20375802), (12, 16979835), (15, 13583868), (18, 11319890), (20, 10187901), (30, 6791934), (36, 5659945), (45, 4527956), (60, 3395967), (90, 2263978), (180, 1131989), (457, 445860), (914, 222930), (1371, 148620), (1828, 111465), (2285, 89172), (2477, 82260), (2742, 74310), (4113, 49540), (4570, 44586), (4954, 41130), (5484, 37155), (6855, 29724), (7431, 27420), (8226, 24770), (9140, 22293), (9908, 20565), (12385, 16452), (13710, 14862)]