1389756720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{526423}}^1$

素因数の和:526450

約数の個数: 80

約数和(自身を含む): 4699913472

約数和(自身を除く): 3310156752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 526423, 1052846, 1579269, 2105692, 2632115, 3158538, 4211384, 5264230, 5790653, 6317076, 7896345, 8422768, 10528460, 11581306, 12634152, 15792690, 17371959, 21056920, 23162612, 25268304, 28953265, 31585380, 34743918, 42113840, 46325224, 57906530, 63170760, 69487836, 86859795, 92650448, 115813060, 126341520, 138975672, 173719590, 231626120, 277951344, 347439180, 463252240, 694878360, 1389756720]

約数ペア:

[(1, 1389756720), (2, 694878360), (3, 463252240), (4, 347439180), (5, 277951344), (6, 231626120), (8, 173719590), (10, 138975672), (11, 126341520), (12, 115813060), (15, 92650448), (16, 86859795), (20, 69487836), (22, 63170760), (24, 57906530), (30, 46325224), (33, 42113840), (40, 34743918), (44, 31585380), (48, 28953265), (55, 25268304), (60, 23162612), (66, 21056920), (80, 17371959), (88, 15792690), (110, 12634152), (120, 11581306), (132, 10528460), (165, 8422768), (176, 7896345), (220, 6317076), (240, 5790653), (264, 5264230), (330, 4211384), (440, 3158538), (528, 2632115), (660, 2105692), (880, 1579269), (1320, 1052846), (2640, 526423)]