66891990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3323}}^1$

素因数の和:3405

約数の個数: 64

約数和(自身を含む): 178060032

約数和(自身を除く): 111168042

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 61, 66, 110, 122, 165, 183, 305, 330, 366, 610, 671, 915, 1342, 1830, 2013, 3323, 3355, 4026, 6646, 6710, 9969, 10065, 16615, 19938, 20130, 33230, 36553, 49845, 73106, 99690, 109659, 182765, 202703, 219318, 365530, 405406, 548295, 608109, 1013515, 1096590, 1216218, 2027030, 2229733, 3040545, 4459466, 6081090, 6689199, 11148665, 13378398, 22297330, 33445995, 66891990]

約数ペア:

[(1, 66891990), (2, 33445995), (3, 22297330), (5, 13378398), (6, 11148665), (10, 6689199), (11, 6081090), (15, 4459466), (22, 3040545), (30, 2229733), (33, 2027030), (55, 1216218), (61, 1096590), (66, 1013515), (110, 608109), (122, 548295), (165, 405406), (183, 365530), (305, 219318), (330, 202703), (366, 182765), (610, 109659), (671, 99690), (915, 73106), (1342, 49845), (1830, 36553), (2013, 33230), (3323, 20130), (3355, 19938), (4026, 16615), (6646, 10065), (6710, 9969)]