16638780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4139}}^1$

素因数の和:4218

約数の個数: 48

約数和(自身を含む): 47295360

約数和(自身を除く): 30656580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 4139, 8278, 12417, 16556, 20695, 24834, 41390, 49668, 62085, 82780, 124170, 248340, 277313, 554626, 831939, 1109252, 1386565, 1663878, 2773130, 3327756, 4159695, 5546260, 8319390, 16638780]

約数ペア:

[(1, 16638780), (2, 8319390), (3, 5546260), (4, 4159695), (5, 3327756), (6, 2773130), (10, 1663878), (12, 1386565), (15, 1109252), (20, 831939), (30, 554626), (60, 277313), (67, 248340), (134, 124170), (201, 82780), (268, 62085), (335, 49668), (402, 41390), (670, 24834), (804, 20695), (1005, 16556), (1340, 12417), (2010, 8278), (4020, 4139)]