205198560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20357}}^1$

素因数の和:20385

約数の個数: 144

約数和(自身を含む): 800313696

約数和(自身を除く): 595115136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20357, 40714, 61071, 81428, 101785, 122142, 142499, 162856, 183213, 203570, 244284, 284998, 305355, 325712, 366426, 407140, 427497, 488568, 569996, 610710, 651424, 712495, 732852, 814280, 854994, 916065, 977136, 1139992, 1221420, 1282491, 1424990, 1465704, 1628560, 1709988, 1832130, 1954272, 2137485, 2279984, 2442840, 2564982, 2849980, 2931408, 3257120, 3419976, 3664260, 4274970, 4559968, 4885680, 5129964, 5699960, 5862816, 6412455, 6839952, 7328520, 8549940, 9771360, 10259928, 11399920, 12824910, 13679904, 14657040, 17099880, 20519856, 22799840, 25649820, 29314080, 34199760, 41039712, 51299640, 68399520, 102599280, 205198560]

約数ペア:

[(1, 205198560), (2, 102599280), (3, 68399520), (4, 51299640), (5, 41039712), (6, 34199760), (7, 29314080), (8, 25649820), (9, 22799840), (10, 20519856), (12, 17099880), (14, 14657040), (15, 13679904), (16, 12824910), (18, 11399920), (20, 10259928), (21, 9771360), (24, 8549940), (28, 7328520), (30, 6839952), (32, 6412455), (35, 5862816), (36, 5699960), (40, 5129964), (42, 4885680), (45, 4559968), (48, 4274970), (56, 3664260), (60, 3419976), (63, 3257120), (70, 2931408), (72, 2849980), (80, 2564982), (84, 2442840), (90, 2279984), (96, 2137485), (105, 1954272), (112, 1832130), (120, 1709988), (126, 1628560), (140, 1465704), (144, 1424990), (160, 1282491), (168, 1221420), (180, 1139992), (210, 977136), (224, 916065), (240, 854994), (252, 814280), (280, 732852), (288, 712495), (315, 651424), (336, 610710), (360, 569996), (420, 488568), (480, 427497), (504, 407140), (560, 366426), (630, 325712), (672, 305355), (720, 284998), (840, 244284), (1008, 203570), (1120, 183213), (1260, 162856), (1440, 142499), (1680, 122142), (2016, 101785), (2520, 81428), (3360, 61071), (5040, 40714), (10080, 20357)]