78399180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:720

約数の個数: 144

約数和(自身を含む): 257100480

約数和(自身を除く): 178701300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 29, 30, 36, 45, 46, 58, 60, 69, 87, 90, 92, 115, 116, 138, 145, 174, 180, 207, 230, 261, 276, 290, 345, 348, 414, 435, 460, 522, 580, 653, 667, 690, 828, 870, 1035, 1044, 1305, 1306, 1334, 1380, 1740, 1959, 2001, 2070, 2610, 2612, 2668, 3265, 3335, 3918, 4002, 4140, 5220, 5877, 6003, 6530, 6670, 7836, 8004, 9795, 10005, 11754, 12006, 13060, 13340, 15019, 18937, 19590, 20010, 23508, 24012, 29385, 30015, 30038, 37874, 39180, 40020, 45057, 56811, 58770, 60030, 60076, 75095, 75748, 90114, 94685, 113622, 117540, 120060, 135171, 150190, 170433, 180228, 189370, 225285, 227244, 270342, 284055, 300380, 340866, 378740, 435551, 450570, 540684, 568110, 675855, 681732, 852165, 871102, 901140, 1136220, 1306653, 1351710, 1704330, 1742204, 2177755, 2613306, 2703420, 3408660, 3919959, 4355510, 5226612, 6533265, 7839918, 8711020, 13066530, 15679836, 19599795, 26133060, 39199590, 78399180]

約数ペア:

[(1, 78399180), (2, 39199590), (3, 26133060), (4, 19599795), (5, 15679836), (6, 13066530), (9, 8711020), (10, 7839918), (12, 6533265), (15, 5226612), (18, 4355510), (20, 3919959), (23, 3408660), (29, 2703420), (30, 2613306), (36, 2177755), (45, 1742204), (46, 1704330), (58, 1351710), (60, 1306653), (69, 1136220), (87, 901140), (90, 871102), (92, 852165), (115, 681732), (116, 675855), (138, 568110), (145, 540684), (174, 450570), (180, 435551), (207, 378740), (230, 340866), (261, 300380), (276, 284055), (290, 270342), (345, 227244), (348, 225285), (414, 189370), (435, 180228), (460, 170433), (522, 150190), (580, 135171), (653, 120060), (667, 117540), (690, 113622), (828, 94685), (870, 90114), (1035, 75748), (1044, 75095), (1305, 60076), (1306, 60030), (1334, 58770), (1380, 56811), (1740, 45057), (1959, 40020), (2001, 39180), (2070, 37874), (2610, 30038), (2612, 30015), (2668, 29385), (3265, 24012), (3335, 23508), (3918, 20010), (4002, 19590), (4140, 18937), (5220, 15019), (5877, 13340), (6003, 13060), (6530, 12006), (6670, 11754), (7836, 10005), (8004, 9795)]