87337840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:610

約数の個数: 80

約数和(自身を含む): 216950400

約数和(自身を除く): 129612560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 149, 170, 272, 298, 340, 431, 596, 680, 745, 862, 1192, 1360, 1490, 1724, 2155, 2384, 2533, 2980, 3448, 4310, 5066, 5960, 6896, 7327, 8620, 10132, 11920, 12665, 14654, 17240, 20264, 25330, 29308, 34480, 36635, 40528, 50660, 58616, 64219, 73270, 101320, 117232, 128438, 146540, 202640, 256876, 293080, 321095, 513752, 586160, 642190, 1027504, 1091723, 1284380, 2183446, 2568760, 4366892, 5137520, 5458615, 8733784, 10917230, 17467568, 21834460, 43668920, 87337840]

約数ペア:

[(1, 87337840), (2, 43668920), (4, 21834460), (5, 17467568), (8, 10917230), (10, 8733784), (16, 5458615), (17, 5137520), (20, 4366892), (34, 2568760), (40, 2183446), (68, 1284380), (80, 1091723), (85, 1027504), (136, 642190), (149, 586160), (170, 513752), (272, 321095), (298, 293080), (340, 256876), (431, 202640), (596, 146540), (680, 128438), (745, 117232), (862, 101320), (1192, 73270), (1360, 64219), (1490, 58616), (1724, 50660), (2155, 40528), (2384, 36635), (2533, 34480), (2980, 29308), (3448, 25330), (4310, 20264), (5066, 17240), (5960, 14654), (6896, 12665), (7327, 11920), (8620, 10132)]