161729190

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{85571}}^1$

素因数の和:85594

約数の個数: 64

約数和(自身を含む): 492894720

約数和(自身を除く): 331165530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 85571, 171142, 256713, 427855, 513426, 598997, 770139, 855710, 1197994, 1283565, 1540278, 1796991, 2310417, 2567130, 2994985, 3593982, 3850695, 4620834, 5390973, 5989970, 7701390, 8984955, 10781946, 11552085, 16172919, 17969910, 23104170, 26954865, 32345838, 53909730, 80864595, 161729190]

約数ペア:

[(1, 161729190), (2, 80864595), (3, 53909730), (5, 32345838), (6, 26954865), (7, 23104170), (9, 17969910), (10, 16172919), (14, 11552085), (15, 10781946), (18, 8984955), (21, 7701390), (27, 5989970), (30, 5390973), (35, 4620834), (42, 3850695), (45, 3593982), (54, 2994985), (63, 2567130), (70, 2310417), (90, 1796991), (105, 1540278), (126, 1283565), (135, 1197994), (189, 855710), (210, 770139), (270, 598997), (315, 513426), (378, 427855), (630, 256713), (945, 171142), (1890, 85571)]