2640769040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{362743}}^1$

素因数の和:362776

約数の個数: 80

約数和(自身を含む): 7556683008

約数和(自身を除く): 4915913968

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 362743, 725486, 1450972, 1813715, 2539201, 2901944, 3627430, 4715659, 5078402, 5803888, 7254860, 9431318, 10156804, 12696005, 14509720, 18862636, 20313608, 23578295, 25392010, 29019440, 33009613, 37725272, 40627216, 47156590, 50784020, 66019226, 75450544, 94313180, 101568040, 132038452, 165048065, 188626360, 203136080, 264076904, 330096130, 377252720, 528153808, 660192260, 1320384520, 2640769040]

約数ペア:

[(1, 2640769040), (2, 1320384520), (4, 660192260), (5, 528153808), (7, 377252720), (8, 330096130), (10, 264076904), (13, 203136080), (14, 188626360), (16, 165048065), (20, 132038452), (26, 101568040), (28, 94313180), (35, 75450544), (40, 66019226), (52, 50784020), (56, 47156590), (65, 40627216), (70, 37725272), (80, 33009613), (91, 29019440), (104, 25392010), (112, 23578295), (130, 20313608), (140, 18862636), (182, 14509720), (208, 12696005), (260, 10156804), (280, 9431318), (364, 7254860), (455, 5803888), (520, 5078402), (560, 4715659), (728, 3627430), (910, 2901944), (1040, 2539201), (1456, 1813715), (1820, 1450972), (3640, 725486), (7280, 362743)]