15691980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 46738944

約数和(自身を除く): 31046964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 83, 92, 115, 137, 138, 166, 230, 249, 274, 276, 332, 345, 411, 415, 460, 498, 548, 685, 690, 822, 830, 996, 1245, 1370, 1380, 1644, 1660, 1909, 2055, 2490, 2740, 3151, 3818, 4110, 4980, 5727, 6302, 7636, 8220, 9453, 9545, 11371, 11454, 12604, 15755, 18906, 19090, 22742, 22908, 28635, 31510, 34113, 37812, 38180, 45484, 47265, 56855, 57270, 63020, 68226, 94530, 113710, 114540, 136452, 170565, 189060, 227420, 261533, 341130, 523066, 682260, 784599, 1046132, 1307665, 1569198, 2615330, 3138396, 3922995, 5230660, 7845990, 15691980]

約数ペア:

[(1, 15691980), (2, 7845990), (3, 5230660), (4, 3922995), (5, 3138396), (6, 2615330), (10, 1569198), (12, 1307665), (15, 1046132), (20, 784599), (23, 682260), (30, 523066), (46, 341130), (60, 261533), (69, 227420), (83, 189060), (92, 170565), (115, 136452), (137, 114540), (138, 113710), (166, 94530), (230, 68226), (249, 63020), (274, 57270), (276, 56855), (332, 47265), (345, 45484), (411, 38180), (415, 37812), (460, 34113), (498, 31510), (548, 28635), (685, 22908), (690, 22742), (822, 19090), (830, 18906), (996, 15755), (1245, 12604), (1370, 11454), (1380, 11371), (1644, 9545), (1660, 9453), (1909, 8220), (2055, 7636), (2490, 6302), (2740, 5727), (3151, 4980), (3818, 4110)]