81922920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16651}}^1$

素因数の和:16706

約数の個数: 64

約数和(自身を含む): 251778240

約数和(自身を除く): 169855320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920, 16651, 33302, 49953, 66604, 83255, 99906, 133208, 166510, 199812, 249765, 333020, 399624, 499530, 666040, 682691, 999060, 1365382, 1998120, 2048073, 2730764, 3413455, 4096146, 5461528, 6826910, 8192292, 10240365, 13653820, 16384584, 20480730, 27307640, 40961460, 81922920]

約数ペア:

[(1, 81922920), (2, 40961460), (3, 27307640), (4, 20480730), (5, 16384584), (6, 13653820), (8, 10240365), (10, 8192292), (12, 6826910), (15, 5461528), (20, 4096146), (24, 3413455), (30, 2730764), (40, 2048073), (41, 1998120), (60, 1365382), (82, 999060), (120, 682691), (123, 666040), (164, 499530), (205, 399624), (246, 333020), (328, 249765), (410, 199812), (492, 166510), (615, 133208), (820, 99906), (984, 83255), (1230, 66604), (1640, 49953), (2460, 33302), (4920, 16651)]