80961160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1453}}^1$

素因数の和:1670

約数の個数: 64

約数和(自身を含む): 209376000

約数和(自身を除く): 128414840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1453, 1592, 1990, 2786, 2906, 3980, 5572, 5812, 6965, 7265, 7960, 10171, 11144, 11624, 13930, 14530, 20342, 27860, 29060, 40684, 50855, 55720, 58120, 81368, 101710, 203420, 289147, 406840, 578294, 1156588, 1445735, 2024029, 2313176, 2891470, 4048058, 5782940, 8096116, 10120145, 11565880, 16192232, 20240290, 40480580, 80961160]

約数ペア:

[(1, 80961160), (2, 40480580), (4, 20240290), (5, 16192232), (7, 11565880), (8, 10120145), (10, 8096116), (14, 5782940), (20, 4048058), (28, 2891470), (35, 2313176), (40, 2024029), (56, 1445735), (70, 1156588), (140, 578294), (199, 406840), (280, 289147), (398, 203420), (796, 101710), (995, 81368), (1393, 58120), (1453, 55720), (1592, 50855), (1990, 40684), (2786, 29060), (2906, 27860), (3980, 20342), (5572, 14530), (5812, 13930), (6965, 11624), (7265, 11144), (7960, 10171)]