161718180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207331}}^1$

素因数の和:207356

約数の個数: 48

約数和(自身を含む): 487644864

約数和(自身を除く): 325926684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 207331, 414662, 621993, 829324, 1036655, 1243986, 2073310, 2487972, 2695303, 3109965, 4146620, 5390606, 6219930, 8085909, 10781212, 12439860, 13476515, 16171818, 26953030, 32343636, 40429545, 53906060, 80859090, 161718180]

約数ペア:

[(1, 161718180), (2, 80859090), (3, 53906060), (4, 40429545), (5, 32343636), (6, 26953030), (10, 16171818), (12, 13476515), (13, 12439860), (15, 10781212), (20, 8085909), (26, 6219930), (30, 5390606), (39, 4146620), (52, 3109965), (60, 2695303), (65, 2487972), (78, 2073310), (130, 1243986), (156, 1036655), (195, 829324), (260, 621993), (390, 414662), (780, 207331)]