20719857200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5813}}^1$

素因数の和:5924

約数の個数: 240

約数和(自身を含む): 60789323520

約数和(自身を除く): 40069466320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 67, 70, 76, 80, 95, 100, 112, 133, 134, 140, 152, 175, 190, 200, 266, 268, 280, 304, 335, 350, 380, 400, 469, 475, 532, 536, 560, 665, 670, 700, 760, 938, 950, 1064, 1072, 1273, 1330, 1340, 1400, 1520, 1675, 1876, 1900, 2128, 2345, 2546, 2660, 2680, 2800, 3325, 3350, 3752, 3800, 4690, 5092, 5320, 5360, 5813, 6365, 6650, 6700, 7504, 7600, 8911, 9380, 10184, 10640, 11626, 11725, 12730, 13300, 13400, 17822, 18760, 20368, 23252, 23450, 25460, 26600, 26800, 29065, 31825, 35644, 37520, 40691, 44555, 46504, 46900, 50920, 53200, 58130, 63650, 71288, 81382, 89110, 93008, 93800, 101840, 110447, 116260, 127300, 142576, 145325, 162764, 178220, 187600, 203455, 220894, 222775, 232520, 254600, 290650, 325528, 356440, 389471, 406910, 441788, 445550, 465040, 509200, 552235, 581300, 651056, 712880, 773129, 778942, 813820, 883576, 891100, 1017275, 1104470, 1162600, 1546258, 1557884, 1627640, 1767152, 1782200, 1947355, 2034550, 2208940, 2325200, 2726297, 2761175, 3092516, 3115768, 3255280, 3564400, 3865645, 3894710, 4069100, 4417880, 5452594, 5522350, 6185032, 6231536, 7399949, 7731290, 7789420, 8138200, 8835760, 9736775, 10905188, 11044700, 12370064, 13631485, 14799898, 15462580, 15578840, 16276400, 19328225, 19473550, 21810376, 22089400, 27262970, 29599796, 30925160, 31157680, 36999745, 38656450, 38947100, 43620752, 44178800, 51799643, 54525940, 59199592, 61850320, 68157425, 73999490, 77312900, 77894200, 103599286, 109051880, 118399184, 136314850, 147998980, 154625800, 155788400, 184998725, 207198572, 218103760, 258998215, 272629700, 295997960, 309251600, 369997450, 414397144, 517996430, 545259400, 591995920, 739994900, 828794288, 1035992860, 1090518800, 1294991075, 1479989800, 2071985720, 2589982150, 2959979600, 4143971440, 5179964300, 10359928600, 20719857200]

約数ペア:

[(1, 20719857200), (2, 10359928600), (4, 5179964300), (5, 4143971440), (7, 2959979600), (8, 2589982150), (10, 2071985720), (14, 1479989800), (16, 1294991075), (19, 1090518800), (20, 1035992860), (25, 828794288), (28, 739994900), (35, 591995920), (38, 545259400), (40, 517996430), (50, 414397144), (56, 369997450), (67, 309251600), (70, 295997960), (76, 272629700), (80, 258998215), (95, 218103760), (100, 207198572), (112, 184998725), (133, 155788400), (134, 154625800), (140, 147998980), (152, 136314850), (175, 118399184), (190, 109051880), (200, 103599286), (266, 77894200), (268, 77312900), (280, 73999490), (304, 68157425), (335, 61850320), (350, 59199592), (380, 54525940), (400, 51799643), (469, 44178800), (475, 43620752), (532, 38947100), (536, 38656450), (560, 36999745), (665, 31157680), (670, 30925160), (700, 29599796), (760, 27262970), (938, 22089400), (950, 21810376), (1064, 19473550), (1072, 19328225), (1273, 16276400), (1330, 15578840), (1340, 15462580), (1400, 14799898), (1520, 13631485), (1675, 12370064), (1876, 11044700), (1900, 10905188), (2128, 9736775), (2345, 8835760), (2546, 8138200), (2660, 7789420), (2680, 7731290), (2800, 7399949), (3325, 6231536), (3350, 6185032), (3752, 5522350), (3800, 5452594), (4690, 4417880), (5092, 4069100), (5320, 3894710), (5360, 3865645), (5813, 3564400), (6365, 3255280), (6650, 3115768), (6700, 3092516), (7504, 2761175), (7600, 2726297), (8911, 2325200), (9380, 2208940), (10184, 2034550), (10640, 1947355), (11626, 1782200), (11725, 1767152), (12730, 1627640), (13300, 1557884), (13400, 1546258), (17822, 1162600), (18760, 1104470), (20368, 1017275), (23252, 891100), (23450, 883576), (25460, 813820), (26600, 778942), (26800, 773129), (29065, 712880), (31825, 651056), (35644, 581300), (37520, 552235), (40691, 509200), (44555, 465040), (46504, 445550), (46900, 441788), (50920, 406910), (53200, 389471), (58130, 356440), (63650, 325528), (71288, 290650), (81382, 254600), (89110, 232520), (93008, 222775), (93800, 220894), (101840, 203455), (110447, 187600), (116260, 178220), (127300, 162764), (142576, 145325)]