15100120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 39168000

約数和(自身を除く): 24067880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 271, 280, 398, 542, 796, 995, 1084, 1355, 1393, 1592, 1897, 1990, 2168, 2710, 2786, 3794, 3980, 5420, 5572, 6965, 7588, 7960, 9485, 10840, 11144, 13930, 15176, 18970, 27860, 37940, 53929, 55720, 75880, 107858, 215716, 269645, 377503, 431432, 539290, 755006, 1078580, 1510012, 1887515, 2157160, 3020024, 3775030, 7550060, 15100120]

約数ペア:

[(1, 15100120), (2, 7550060), (4, 3775030), (5, 3020024), (7, 2157160), (8, 1887515), (10, 1510012), (14, 1078580), (20, 755006), (28, 539290), (35, 431432), (40, 377503), (56, 269645), (70, 215716), (140, 107858), (199, 75880), (271, 55720), (280, 53929), (398, 37940), (542, 27860), (796, 18970), (995, 15176), (1084, 13930), (1355, 11144), (1393, 10840), (1592, 9485), (1897, 7960), (1990, 7588), (2168, 6965), (2710, 5572), (2786, 5420), (3794, 3980)]