17720340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{26849}}^1$

素因数の和:26872

約数の個数: 48

約数和(自身を含む): 54129600

約数和(自身を除く): 36409260

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 26849, 53698, 80547, 107396, 134245, 161094, 268490, 295339, 322188, 402735, 536980, 590678, 805470, 886017, 1181356, 1476695, 1610940, 1772034, 2953390, 3544068, 4430085, 5906780, 8860170, 17720340]

約数ペア:

[(1, 17720340), (2, 8860170), (3, 5906780), (4, 4430085), (5, 3544068), (6, 2953390), (10, 1772034), (11, 1610940), (12, 1476695), (15, 1181356), (20, 886017), (22, 805470), (30, 590678), (33, 536980), (44, 402735), (55, 322188), (60, 295339), (66, 268490), (110, 161094), (132, 134245), (165, 107396), (220, 80547), (330, 53698), (660, 26849)]