64413960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 210228480

約数和(自身を除く): 145814520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 157, 195, 260, 263, 312, 314, 390, 471, 520, 526, 628, 780, 785, 789, 942, 1052, 1256, 1315, 1560, 1570, 1578, 1884, 2041, 2104, 2355, 2630, 3140, 3156, 3419, 3768, 3945, 4082, 4710, 5260, 6123, 6280, 6312, 6838, 7890, 8164, 9420, 10205, 10257, 10520, 12246, 13676, 15780, 16328, 17095, 18840, 20410, 20514, 24492, 27352, 30615, 31560, 34190, 40820, 41028, 41291, 48984, 51285, 61230, 68380, 81640, 82056, 82582, 102570, 122460, 123873, 136760, 165164, 205140, 206455, 244920, 247746, 330328, 410280, 412910, 495492, 536783, 619365, 825820, 990984, 1073566, 1238730, 1610349, 1651640, 2147132, 2477460, 2683915, 3220698, 4294264, 4954920, 5367830, 6441396, 8051745, 10735660, 12882792, 16103490, 21471320, 32206980, 64413960]

約数ペア:

[(1, 64413960), (2, 32206980), (3, 21471320), (4, 16103490), (5, 12882792), (6, 10735660), (8, 8051745), (10, 6441396), (12, 5367830), (13, 4954920), (15, 4294264), (20, 3220698), (24, 2683915), (26, 2477460), (30, 2147132), (39, 1651640), (40, 1610349), (52, 1238730), (60, 1073566), (65, 990984), (78, 825820), (104, 619365), (120, 536783), (130, 495492), (156, 412910), (157, 410280), (195, 330328), (260, 247746), (263, 244920), (312, 206455), (314, 205140), (390, 165164), (471, 136760), (520, 123873), (526, 122460), (628, 102570), (780, 82582), (785, 82056), (789, 81640), (942, 68380), (1052, 61230), (1256, 51285), (1315, 48984), (1560, 41291), (1570, 41028), (1578, 40820), (1884, 34190), (2041, 31560), (2104, 30615), (2355, 27352), (2630, 24492), (3140, 20514), (3156, 20410), (3419, 18840), (3768, 17095), (3945, 16328), (4082, 15780), (4710, 13676), (5260, 12246), (6123, 10520), (6280, 10257), (6312, 10205), (6838, 9420), (7890, 8164)]