64764540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:716

約数の個数: 144

約数和(自身を含む): 214250400

約数和(自身を除く): 149485860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 342, 348, 380, 435, 522, 551, 570, 580, 653, 684, 855, 870, 1044, 1102, 1140, 1305, 1306, 1653, 1710, 1740, 1959, 2204, 2610, 2612, 2755, 3265, 3306, 3420, 3918, 4959, 5220, 5510, 5877, 6530, 6612, 7836, 8265, 9795, 9918, 11020, 11754, 12407, 13060, 16530, 18937, 19590, 19836, 23508, 24795, 24814, 29385, 33060, 37221, 37874, 39180, 49590, 49628, 56811, 58770, 62035, 74442, 75748, 94685, 99180, 111663, 113622, 117540, 124070, 148884, 170433, 186105, 189370, 223326, 227244, 248140, 284055, 340866, 359803, 372210, 378740, 446652, 558315, 568110, 681732, 719606, 744420, 852165, 1079409, 1116630, 1136220, 1439212, 1704330, 1799015, 2158818, 2233260, 3238227, 3408660, 3598030, 4317636, 5397045, 6476454, 7196060, 10794090, 12952908, 16191135, 21588180, 32382270, 64764540]

約数ペア:

[(1, 64764540), (2, 32382270), (3, 21588180), (4, 16191135), (5, 12952908), (6, 10794090), (9, 7196060), (10, 6476454), (12, 5397045), (15, 4317636), (18, 3598030), (19, 3408660), (20, 3238227), (29, 2233260), (30, 2158818), (36, 1799015), (38, 1704330), (45, 1439212), (57, 1136220), (58, 1116630), (60, 1079409), (76, 852165), (87, 744420), (90, 719606), (95, 681732), (114, 568110), (116, 558315), (145, 446652), (171, 378740), (174, 372210), (180, 359803), (190, 340866), (228, 284055), (261, 248140), (285, 227244), (290, 223326), (342, 189370), (348, 186105), (380, 170433), (435, 148884), (522, 124070), (551, 117540), (570, 113622), (580, 111663), (653, 99180), (684, 94685), (855, 75748), (870, 74442), (1044, 62035), (1102, 58770), (1140, 56811), (1305, 49628), (1306, 49590), (1653, 39180), (1710, 37874), (1740, 37221), (1959, 33060), (2204, 29385), (2610, 24814), (2612, 24795), (2755, 23508), (3265, 19836), (3306, 19590), (3420, 18937), (3918, 16530), (4959, 13060), (5220, 12407), (5510, 11754), (5877, 11020), (6530, 9918), (6612, 9795), (7836, 8265)]