8128481940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1\times {\mathrm{719}}^1$

素因数の和:1262

約数の個数: 144

約数和(自身を含む): 24898648320

約数和(自身を除く): 16770166380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 347, 362, 543, 694, 719, 724, 905, 1041, 1086, 1388, 1438, 1629, 1735, 1810, 2082, 2157, 2172, 2715, 2876, 3123, 3258, 3470, 3595, 3620, 4164, 4314, 5205, 5430, 6246, 6471, 6516, 6940, 7190, 8145, 8628, 10410, 10785, 10860, 12492, 12942, 14380, 15615, 16290, 20820, 21570, 25884, 31230, 32355, 32580, 43140, 62460, 62807, 64710, 125614, 129420, 130139, 188421, 249493, 251228, 260278, 314035, 376842, 390417, 498986, 520556, 565263, 628070, 650695, 748479, 753684, 780834, 942105, 997972, 1130526, 1171251, 1247465, 1256140, 1301390, 1496958, 1561668, 1884210, 1952085, 2245437, 2261052, 2342502, 2494930, 2602780, 2826315, 2993916, 3742395, 3768420, 3904170, 4490874, 4685004, 4989860, 5652630, 5856255, 7484790, 7808340, 8981748, 11227185, 11305260, 11712510, 14969580, 22454370, 23425020, 44908740, 45158233, 90316466, 135474699, 180632932, 225791165, 270949398, 406424097, 451582330, 541898796, 677373495, 812848194, 903164660, 1354746990, 1625696388, 2032120485, 2709493980, 4064240970, 8128481940]

約数ペア:

[(1, 8128481940), (2, 4064240970), (3, 2709493980), (4, 2032120485), (5, 1625696388), (6, 1354746990), (9, 903164660), (10, 812848194), (12, 677373495), (15, 541898796), (18, 451582330), (20, 406424097), (30, 270949398), (36, 225791165), (45, 180632932), (60, 135474699), (90, 90316466), (180, 45158233), (181, 44908740), (347, 23425020), (362, 22454370), (543, 14969580), (694, 11712510), (719, 11305260), (724, 11227185), (905, 8981748), (1041, 7808340), (1086, 7484790), (1388, 5856255), (1438, 5652630), (1629, 4989860), (1735, 4685004), (1810, 4490874), (2082, 3904170), (2157, 3768420), (2172, 3742395), (2715, 2993916), (2876, 2826315), (3123, 2602780), (3258, 2494930), (3470, 2342502), (3595, 2261052), (3620, 2245437), (4164, 1952085), (4314, 1884210), (5205, 1561668), (5430, 1496958), (6246, 1301390), (6471, 1256140), (6516, 1247465), (6940, 1171251), (7190, 1130526), (8145, 997972), (8628, 942105), (10410, 780834), (10785, 753684), (10860, 748479), (12492, 650695), (12942, 628070), (14380, 565263), (15615, 520556), (16290, 498986), (20820, 390417), (21570, 376842), (25884, 314035), (31230, 260278), (32355, 251228), (32580, 249493), (43140, 188421), (62460, 130139), (62807, 129420), (64710, 125614)]