18045540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3457}}^1$

素因数の和:3501

約数の個数: 72

約数和(自身を含む): 56642040

約数和(自身を除く): 38596500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3457, 5220, 6914, 10371, 13828, 17285, 20742, 31113, 34570, 41484, 51855, 62226, 69140, 100253, 103710, 124452, 155565, 200506, 207420, 300759, 311130, 401012, 501265, 601518, 622260, 902277, 1002530, 1203036, 1503795, 1804554, 2005060, 3007590, 3609108, 4511385, 6015180, 9022770, 18045540]

約数ペア:

[(1, 18045540), (2, 9022770), (3, 6015180), (4, 4511385), (5, 3609108), (6, 3007590), (9, 2005060), (10, 1804554), (12, 1503795), (15, 1203036), (18, 1002530), (20, 902277), (29, 622260), (30, 601518), (36, 501265), (45, 401012), (58, 311130), (60, 300759), (87, 207420), (90, 200506), (116, 155565), (145, 124452), (174, 103710), (180, 100253), (261, 69140), (290, 62226), (348, 51855), (435, 41484), (522, 34570), (580, 31113), (870, 20742), (1044, 17285), (1305, 13828), (1740, 10371), (2610, 6914), (3457, 5220)]