218805040

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 522466560

約数和(自身を除く): 303661520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 151, 236, 295, 302, 307, 472, 590, 604, 614, 755, 944, 1180, 1208, 1228, 1510, 1535, 2360, 2416, 2456, 3020, 3070, 4720, 4912, 6040, 6140, 8909, 12080, 12280, 17818, 18113, 24560, 35636, 36226, 44545, 46357, 71272, 72452, 89090, 90565, 92714, 142544, 144904, 178180, 181130, 185428, 231785, 289808, 356360, 362260, 370856, 463570, 712720, 724520, 741712, 927140, 1449040, 1854280, 2735063, 3708560, 5470126, 10940252, 13675315, 21880504, 27350630, 43761008, 54701260, 109402520, 218805040]

約数ペア:

[(1, 218805040), (2, 109402520), (4, 54701260), (5, 43761008), (8, 27350630), (10, 21880504), (16, 13675315), (20, 10940252), (40, 5470126), (59, 3708560), (80, 2735063), (118, 1854280), (151, 1449040), (236, 927140), (295, 741712), (302, 724520), (307, 712720), (472, 463570), (590, 370856), (604, 362260), (614, 356360), (755, 289808), (944, 231785), (1180, 185428), (1208, 181130), (1228, 178180), (1510, 144904), (1535, 142544), (2360, 92714), (2416, 90565), (2456, 89090), (3020, 72452), (3070, 71272), (4720, 46357), (4912, 44545), (6040, 36226), (6140, 35636), (8909, 24560), (12080, 18113), (12280, 17818)]