81603960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6733}}^1$

素因数の和:6848

約数の個数: 64

約数和(自身を含む): 247272480

約数和(自身を除く): 165668520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 6733, 12120, 13466, 20199, 26932, 33665, 40398, 53864, 67330, 80796, 100995, 134660, 161592, 201990, 269320, 403980, 680033, 807960, 1360066, 2040099, 2720132, 3400165, 4080198, 5440264, 6800330, 8160396, 10200495, 13600660, 16320792, 20400990, 27201320, 40801980, 81603960]

約数ペア:

[(1, 81603960), (2, 40801980), (3, 27201320), (4, 20400990), (5, 16320792), (6, 13600660), (8, 10200495), (10, 8160396), (12, 6800330), (15, 5440264), (20, 4080198), (24, 3400165), (30, 2720132), (40, 2040099), (60, 1360066), (101, 807960), (120, 680033), (202, 403980), (303, 269320), (404, 201990), (505, 161592), (606, 134660), (808, 100995), (1010, 80796), (1212, 67330), (1515, 53864), (2020, 40398), (2424, 33665), (3030, 26932), (4040, 20199), (6060, 13466), (6733, 12120)]