84970980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{863}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 258515712

約数和(自身を除く): 173544732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 547, 863, 1094, 1641, 1726, 2188, 2589, 2735, 3282, 3452, 4315, 4923, 5178, 5470, 6564, 7767, 8205, 8630, 9846, 10356, 10940, 12945, 15534, 16410, 17260, 19692, 24615, 25890, 31068, 32820, 38835, 49230, 51780, 77670, 98460, 155340, 472061, 944122, 1416183, 1888244, 2360305, 2832366, 4248549, 4720610, 5664732, 7080915, 8497098, 9441220, 14161830, 16994196, 21242745, 28323660, 42485490, 84970980]

約数ペア:

[(1, 84970980), (2, 42485490), (3, 28323660), (4, 21242745), (5, 16994196), (6, 14161830), (9, 9441220), (10, 8497098), (12, 7080915), (15, 5664732), (18, 4720610), (20, 4248549), (30, 2832366), (36, 2360305), (45, 1888244), (60, 1416183), (90, 944122), (180, 472061), (547, 155340), (863, 98460), (1094, 77670), (1641, 51780), (1726, 49230), (2188, 38835), (2589, 32820), (2735, 31068), (3282, 25890), (3452, 24615), (4315, 19692), (4923, 17260), (5178, 16410), (5470, 15534), (6564, 12945), (7767, 10940), (8205, 10356), (8630, 9846)]