20217817080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{4789}}^1$

素因数の和:6115

約数の個数: 160

約数和(自身を含む): 68020682400

約数和(自身を除く): 47802865320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1303, 1620, 2606, 3240, 3909, 4789, 5212, 6515, 7818, 9578, 10424, 11727, 13030, 14367, 15636, 19156, 19545, 23454, 23945, 26060, 28734, 31272, 35181, 38312, 39090, 43101, 46908, 47890, 52120, 57468, 58635, 70362, 71835, 78180, 86202, 93816, 95780, 105543, 114936, 117270, 129303, 140724, 143670, 156360, 172404, 175905, 191560, 211086, 215505, 234540, 258606, 281448, 287340, 344808, 351810, 387909, 422172, 431010, 469080, 517212, 527715, 574680, 646515, 703620, 775818, 844344, 862020, 1034424, 1055430, 1293030, 1407240, 1551636, 1724040, 1939545, 2110860, 2586060, 3103272, 3879090, 4221720, 5172120, 6240067, 7758180, 12480134, 15516360, 18720201, 24960268, 31200335, 37440402, 49920536, 56160603, 62400670, 74880804, 93601005, 112321206, 124801340, 149761608, 168481809, 187202010, 224642412, 249602680, 280803015, 336963618, 374404020, 449284824, 505445427, 561606030, 673927236, 748808040, 842409045, 1010890854, 1123212060, 1347854472, 1684818090, 2021781708, 2246424120, 2527227135, 3369636180, 4043563416, 5054454270, 6739272360, 10108908540, 20217817080]

約数ペア:

[(1, 20217817080), (2, 10108908540), (3, 6739272360), (4, 5054454270), (5, 4043563416), (6, 3369636180), (8, 2527227135), (9, 2246424120), (10, 2021781708), (12, 1684818090), (15, 1347854472), (18, 1123212060), (20, 1010890854), (24, 842409045), (27, 748808040), (30, 673927236), (36, 561606030), (40, 505445427), (45, 449284824), (54, 374404020), (60, 336963618), (72, 280803015), (81, 249602680), (90, 224642412), (108, 187202010), (120, 168481809), (135, 149761608), (162, 124801340), (180, 112321206), (216, 93601005), (270, 74880804), (324, 62400670), (360, 56160603), (405, 49920536), (540, 37440402), (648, 31200335), (810, 24960268), (1080, 18720201), (1303, 15516360), (1620, 12480134), (2606, 7758180), (3240, 6240067), (3909, 5172120), (4789, 4221720), (5212, 3879090), (6515, 3103272), (7818, 2586060), (9578, 2110860), (10424, 1939545), (11727, 1724040), (13030, 1551636), (14367, 1407240), (15636, 1293030), (19156, 1055430), (19545, 1034424), (23454, 862020), (23945, 844344), (26060, 775818), (28734, 703620), (31272, 646515), (35181, 574680), (38312, 527715), (39090, 517212), (43101, 469080), (46908, 431010), (47890, 422172), (52120, 387909), (57468, 351810), (58635, 344808), (70362, 287340), (71835, 281448), (78180, 258606), (86202, 234540), (93816, 215505), (95780, 211086), (105543, 191560), (114936, 175905), (117270, 172404), (129303, 156360), (140724, 143670)]