128203320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{152623}}^1$

素因数の和:152644

約数の個数: 64

約数和(自身を含む): 439557120

約数和(自身を除く): 311353800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 152623, 305246, 457869, 610492, 763115, 915738, 1068361, 1220984, 1526230, 1831476, 2136722, 2289345, 3052460, 3205083, 3662952, 4273444, 4578690, 5341805, 6104920, 6410166, 8546888, 9157380, 10683610, 12820332, 16025415, 18314760, 21367220, 25640664, 32050830, 42734440, 64101660, 128203320]

約数ペア:

[(1, 128203320), (2, 64101660), (3, 42734440), (4, 32050830), (5, 25640664), (6, 21367220), (7, 18314760), (8, 16025415), (10, 12820332), (12, 10683610), (14, 9157380), (15, 8546888), (20, 6410166), (21, 6104920), (24, 5341805), (28, 4578690), (30, 4273444), (35, 3662952), (40, 3205083), (42, 3052460), (56, 2289345), (60, 2136722), (70, 1831476), (84, 1526230), (105, 1220984), (120, 1068361), (140, 915738), (168, 763115), (210, 610492), (280, 457869), (420, 305246), (840, 152623)]