1656551680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{631}}^1$

素因数の和:952

約数の個数: 144

約数和(自身を含む): 4557498624

約数和(自身を除く): 2900946944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 293, 320, 448, 560, 586, 631, 640, 896, 1120, 1172, 1262, 1280, 1465, 1792, 2051, 2240, 2344, 2524, 2930, 3155, 4102, 4417, 4480, 4688, 5048, 5860, 6310, 8204, 8834, 8960, 9376, 10096, 10255, 11720, 12620, 16408, 17668, 18752, 20192, 20510, 22085, 23440, 25240, 32816, 35336, 37504, 40384, 41020, 44170, 46880, 50480, 65632, 70672, 75008, 80768, 82040, 88340, 93760, 100960, 131264, 141344, 161536, 164080, 176680, 184883, 187520, 201920, 262528, 282688, 328160, 353360, 369766, 375040, 403840, 525056, 565376, 656320, 706720, 739532, 807680, 924415, 1130752, 1294181, 1312640, 1413440, 1479064, 1848830, 2588362, 2625280, 2826880, 2958128, 3697660, 5176724, 5653760, 5916256, 6470905, 7395320, 10353448, 11832512, 12941810, 14790640, 20706896, 23665024, 25883620, 29581280, 41413792, 47330048, 51767240, 59162560, 82827584, 103534480, 118325120, 165655168, 207068960, 236650240, 331310336, 414137920, 828275840, 1656551680]

約数ペア:

[(1, 1656551680), (2, 828275840), (4, 414137920), (5, 331310336), (7, 236650240), (8, 207068960), (10, 165655168), (14, 118325120), (16, 103534480), (20, 82827584), (28, 59162560), (32, 51767240), (35, 47330048), (40, 41413792), (56, 29581280), (64, 25883620), (70, 23665024), (80, 20706896), (112, 14790640), (128, 12941810), (140, 11832512), (160, 10353448), (224, 7395320), (256, 6470905), (280, 5916256), (293, 5653760), (320, 5176724), (448, 3697660), (560, 2958128), (586, 2826880), (631, 2625280), (640, 2588362), (896, 1848830), (1120, 1479064), (1172, 1413440), (1262, 1312640), (1280, 1294181), (1465, 1130752), (1792, 924415), (2051, 807680), (2240, 739532), (2344, 706720), (2524, 656320), (2930, 565376), (3155, 525056), (4102, 403840), (4417, 375040), (4480, 369766), (4688, 353360), (5048, 328160), (5860, 282688), (6310, 262528), (8204, 201920), (8834, 187520), (8960, 184883), (9376, 176680), (10096, 164080), (10255, 161536), (11720, 141344), (12620, 131264), (16408, 100960), (17668, 93760), (18752, 88340), (20192, 82040), (20510, 80768), (22085, 75008), (23440, 70672), (25240, 65632), (32816, 50480), (35336, 46880), (37504, 44170), (40384, 41020)]