74291220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1061}}^1$

素因数の和:1465

約数の個数: 72

約数和(自身を含む): 226142280

約数和(自身を除く): 151851060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1061, 1167, 1556, 1945, 2122, 2334, 3183, 3501, 3890, 4244, 4668, 5305, 5835, 6366, 7002, 7780, 9549, 10610, 11670, 12732, 14004, 15915, 17505, 19098, 21220, 23340, 31830, 35010, 38196, 47745, 63660, 70020, 95490, 190980, 412729, 825458, 1238187, 1650916, 2063645, 2476374, 3714561, 4127290, 4952748, 6190935, 7429122, 8254580, 12381870, 14858244, 18572805, 24763740, 37145610, 74291220]

約数ペア:

[(1, 74291220), (2, 37145610), (3, 24763740), (4, 18572805), (5, 14858244), (6, 12381870), (9, 8254580), (10, 7429122), (12, 6190935), (15, 4952748), (18, 4127290), (20, 3714561), (30, 2476374), (36, 2063645), (45, 1650916), (60, 1238187), (90, 825458), (180, 412729), (389, 190980), (778, 95490), (1061, 70020), (1167, 63660), (1556, 47745), (1945, 38196), (2122, 35010), (2334, 31830), (3183, 23340), (3501, 21220), (3890, 19098), (4244, 17505), (4668, 15915), (5305, 14004), (5835, 12732), (6366, 11670), (7002, 10610), (7780, 9549)]