87584580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{991}}^1$

素因数の和:1497

約数の個数: 72

約数和(自身を含む): 266482944

約数和(自身を除く): 178898364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 982, 991, 1473, 1964, 1982, 2455, 2946, 2973, 3964, 4419, 4910, 4955, 5892, 5946, 7365, 8838, 8919, 9820, 9910, 11892, 14730, 14865, 17676, 17838, 19820, 22095, 29460, 29730, 35676, 44190, 44595, 59460, 88380, 89190, 178380, 486581, 973162, 1459743, 1946324, 2432905, 2919486, 4379229, 4865810, 5838972, 7298715, 8758458, 9731620, 14597430, 17516916, 21896145, 29194860, 43792290, 87584580]

約数ペア:

[(1, 87584580), (2, 43792290), (3, 29194860), (4, 21896145), (5, 17516916), (6, 14597430), (9, 9731620), (10, 8758458), (12, 7298715), (15, 5838972), (18, 4865810), (20, 4379229), (30, 2919486), (36, 2432905), (45, 1946324), (60, 1459743), (90, 973162), (180, 486581), (491, 178380), (982, 89190), (991, 88380), (1473, 59460), (1964, 44595), (1982, 44190), (2455, 35676), (2946, 29730), (2973, 29460), (3964, 22095), (4419, 19820), (4910, 17838), (4955, 17676), (5892, 14865), (5946, 14730), (7365, 11892), (8838, 9910), (8919, 9820)]