2018814520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 4794603840

約数和(自身を除く): 2775789320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 67, 106, 122, 134, 212, 233, 244, 265, 268, 305, 335, 424, 466, 488, 530, 536, 610, 670, 932, 1060, 1165, 1220, 1340, 1864, 2120, 2330, 2440, 2680, 3233, 3551, 4087, 4660, 6466, 7102, 8174, 9320, 12349, 12932, 14204, 14213, 15611, 16165, 16348, 17755, 20435, 24698, 25864, 28408, 28426, 31222, 32330, 32696, 35510, 40870, 49396, 56852, 61745, 62444, 64660, 71020, 71065, 78055, 81740, 98792, 113704, 123490, 124888, 129320, 142040, 142130, 156110, 163480, 216611, 246980, 284260, 312220, 433222, 493960, 568520, 624440, 753289, 827383, 866444, 952271, 1083055, 1506578, 1654766, 1732888, 1904542, 2166110, 3013156, 3309532, 3766445, 3809084, 4136915, 4332220, 4761355, 6026312, 6619064, 7532890, 7618168, 8273830, 8664440, 9522710, 15065780, 16547660, 19045420, 30131560, 33095320, 38090840, 50470363, 100940726, 201881452, 252351815, 403762904, 504703630, 1009407260, 2018814520]

約数ペア:

[(1, 2018814520), (2, 1009407260), (4, 504703630), (5, 403762904), (8, 252351815), (10, 201881452), (20, 100940726), (40, 50470363), (53, 38090840), (61, 33095320), (67, 30131560), (106, 19045420), (122, 16547660), (134, 15065780), (212, 9522710), (233, 8664440), (244, 8273830), (265, 7618168), (268, 7532890), (305, 6619064), (335, 6026312), (424, 4761355), (466, 4332220), (488, 4136915), (530, 3809084), (536, 3766445), (610, 3309532), (670, 3013156), (932, 2166110), (1060, 1904542), (1165, 1732888), (1220, 1654766), (1340, 1506578), (1864, 1083055), (2120, 952271), (2330, 866444), (2440, 827383), (2680, 753289), (3233, 624440), (3551, 568520), (4087, 493960), (4660, 433222), (6466, 312220), (7102, 284260), (8174, 246980), (9320, 216611), (12349, 163480), (12932, 156110), (14204, 142130), (14213, 142040), (15611, 129320), (16165, 124888), (16348, 123490), (17755, 113704), (20435, 98792), (24698, 81740), (25864, 78055), (28408, 71065), (28426, 71020), (31222, 64660), (32330, 62444), (32696, 61745), (35510, 56852), (40870, 49396)]