1780493660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{491}}^1$

素因数の和:875

約数の個数: 96

約数和(自身を含む): 4177764864

約数和(自身を除く): 2397271204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 311, 491, 530, 583, 622, 982, 1060, 1166, 1244, 1555, 1964, 2332, 2455, 2915, 3110, 3421, 4910, 5401, 5830, 6220, 6842, 9820, 10802, 11660, 13684, 16483, 17105, 21604, 26023, 27005, 32966, 34210, 52046, 54010, 65932, 68420, 82415, 104092, 108020, 130115, 152701, 164830, 181313, 260230, 286253, 305402, 329660, 362626, 520460, 572506, 610804, 725252, 763505, 906565, 1145012, 1431265, 1527010, 1679711, 1813130, 2862530, 3054020, 3359422, 3626260, 5725060, 6718844, 8093153, 8398555, 16186306, 16797110, 32372612, 33594220, 40465765, 80931530, 89024683, 161863060, 178049366, 356098732, 445123415, 890246830, 1780493660]

約数ペア:

[(1, 1780493660), (2, 890246830), (4, 445123415), (5, 356098732), (10, 178049366), (11, 161863060), (20, 89024683), (22, 80931530), (44, 40465765), (53, 33594220), (55, 32372612), (106, 16797110), (110, 16186306), (212, 8398555), (220, 8093153), (265, 6718844), (311, 5725060), (491, 3626260), (530, 3359422), (583, 3054020), (622, 2862530), (982, 1813130), (1060, 1679711), (1166, 1527010), (1244, 1431265), (1555, 1145012), (1964, 906565), (2332, 763505), (2455, 725252), (2915, 610804), (3110, 572506), (3421, 520460), (4910, 362626), (5401, 329660), (5830, 305402), (6220, 286253), (6842, 260230), (9820, 181313), (10802, 164830), (11660, 152701), (13684, 130115), (16483, 108020), (17105, 104092), (21604, 82415), (26023, 68420), (27005, 65932), (32966, 54010), (34210, 52046)]