991108920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{59419}}^1$

素因数の和:59572

約数の個数: 64

約数和(自身を含む): 2994768000

約数和(自身を除く): 2003659080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 5560, 8340, 16680, 59419, 118838, 178257, 237676, 297095, 356514, 475352, 594190, 713028, 891285, 1188380, 1426056, 1782570, 2376760, 3565140, 7130280, 8259241, 16518482, 24777723, 33036964, 41296205, 49555446, 66073928, 82592410, 99110892, 123888615, 165184820, 198221784, 247777230, 330369640, 495554460, 991108920]

約数ペア:

[(1, 991108920), (2, 495554460), (3, 330369640), (4, 247777230), (5, 198221784), (6, 165184820), (8, 123888615), (10, 99110892), (12, 82592410), (15, 66073928), (20, 49555446), (24, 41296205), (30, 33036964), (40, 24777723), (60, 16518482), (120, 8259241), (139, 7130280), (278, 3565140), (417, 2376760), (556, 1782570), (695, 1426056), (834, 1188380), (1112, 891285), (1390, 713028), (1668, 594190), (2085, 475352), (2780, 356514), (3336, 297095), (4170, 237676), (5560, 178257), (8340, 118838), (16680, 59419)]