15691959440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1627}}^1\times {\mathrm{3889}}^1$

素因数の和:5560

約数の個数: 80

約数和(自身を含む): 37693539840

約数和(自身を除く): 22001580400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 1627, 2480, 3254, 3889, 6508, 7778, 8135, 13016, 15556, 16270, 19445, 26032, 31112, 32540, 38890, 50437, 62224, 65080, 77780, 100874, 120559, 130160, 155560, 201748, 241118, 252185, 311120, 403496, 482236, 504370, 602795, 806992, 964472, 1008740, 1205590, 1928944, 2017480, 2411180, 4034960, 4822360, 6327403, 9644720, 12654806, 25309612, 31637015, 50619224, 63274030, 101238448, 126548060, 196149493, 253096120, 392298986, 506192240, 784597972, 980747465, 1569195944, 1961494930, 3138391888, 3922989860, 7845979720, 15691959440]

約数ペア:

[(1, 15691959440), (2, 7845979720), (4, 3922989860), (5, 3138391888), (8, 1961494930), (10, 1569195944), (16, 980747465), (20, 784597972), (31, 506192240), (40, 392298986), (62, 253096120), (80, 196149493), (124, 126548060), (155, 101238448), (248, 63274030), (310, 50619224), (496, 31637015), (620, 25309612), (1240, 12654806), (1627, 9644720), (2480, 6327403), (3254, 4822360), (3889, 4034960), (6508, 2411180), (7778, 2017480), (8135, 1928944), (13016, 1205590), (15556, 1008740), (16270, 964472), (19445, 806992), (26032, 602795), (31112, 504370), (32540, 482236), (38890, 403496), (50437, 311120), (62224, 252185), (65080, 241118), (77780, 201748), (100874, 155560), (120559, 130160)]