69661980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20369}}^1$

素因数の和:20403

約数の個数: 72

約数和(自身を含む): 222440400

約数和(自身を除く): 152778420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 20369, 40738, 61107, 81476, 101845, 122214, 183321, 203690, 244428, 305535, 366642, 387011, 407380, 611070, 733284, 774022, 916605, 1161033, 1222140, 1548044, 1833210, 1935055, 2322066, 3483099, 3666420, 3870110, 4644132, 5805165, 6966198, 7740220, 11610330, 13932396, 17415495, 23220660, 34830990, 69661980]

約数ペア:

[(1, 69661980), (2, 34830990), (3, 23220660), (4, 17415495), (5, 13932396), (6, 11610330), (9, 7740220), (10, 6966198), (12, 5805165), (15, 4644132), (18, 3870110), (19, 3666420), (20, 3483099), (30, 2322066), (36, 1935055), (38, 1833210), (45, 1548044), (57, 1222140), (60, 1161033), (76, 916605), (90, 774022), (95, 733284), (114, 611070), (171, 407380), (180, 387011), (190, 366642), (228, 305535), (285, 244428), (342, 203690), (380, 183321), (570, 122214), (684, 101845), (855, 81476), (1140, 61107), (1710, 40738), (3420, 20369)]