2643601520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{37171}}^1$

素因数の和:37318

約数の個数: 80

約数和(自身を含む): 7079927808

約数和(自身を除く): 4436326288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 3556, 4445, 5080, 7112, 8890, 10160, 14224, 17780, 35560, 37171, 71120, 74342, 148684, 185855, 260197, 297368, 371710, 520394, 594736, 743420, 1040788, 1300985, 1486840, 2081576, 2601970, 2973680, 4163152, 4720717, 5203940, 9441434, 10407880, 18882868, 20815760, 23603585, 33045019, 37765736, 47207170, 66090038, 75531472, 94414340, 132180076, 165225095, 188828680, 264360152, 330450190, 377657360, 528720304, 660900380, 1321800760, 2643601520]

約数ペア:

[(1, 2643601520), (2, 1321800760), (4, 660900380), (5, 528720304), (7, 377657360), (8, 330450190), (10, 264360152), (14, 188828680), (16, 165225095), (20, 132180076), (28, 94414340), (35, 75531472), (40, 66090038), (56, 47207170), (70, 37765736), (80, 33045019), (112, 23603585), (127, 20815760), (140, 18882868), (254, 10407880), (280, 9441434), (508, 5203940), (560, 4720717), (635, 4163152), (889, 2973680), (1016, 2601970), (1270, 2081576), (1778, 1486840), (2032, 1300985), (2540, 1040788), (3556, 743420), (4445, 594736), (5080, 520394), (7112, 371710), (8890, 297368), (10160, 260197), (14224, 185855), (17780, 148684), (35560, 74342), (37171, 71120)]