1804980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 5140800

約数和(自身を除く): 3335820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 449, 670, 804, 898, 1005, 1340, 1347, 1796, 2010, 2245, 2694, 4020, 4490, 5388, 6735, 8980, 13470, 26940, 30083, 60166, 90249, 120332, 150415, 180498, 300830, 360996, 451245, 601660, 902490, 1804980]

約数ペア:

[(1, 1804980), (2, 902490), (3, 601660), (4, 451245), (5, 360996), (6, 300830), (10, 180498), (12, 150415), (15, 120332), (20, 90249), (30, 60166), (60, 30083), (67, 26940), (134, 13470), (201, 8980), (268, 6735), (335, 5388), (402, 4490), (449, 4020), (670, 2694), (804, 2245), (898, 2010), (1005, 1796), (1340, 1347)]