42195720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 145981440

約数和(自身を除く): 103785720

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, 191, 210, 263, 280, 382, 420, 526, 573, 764, 789, 840, 955, 1052, 1146, 1315, 1337, 1528, 1578, 1841, 1910, 2104, 2292, 2630, 2674, 2865, 3156, 3682, 3820, 3945, 4011, 4584, 5260, 5348, 5523, 5730, 6312, 6685, 7364, 7640, 7890, 8022, 9205, 10520, 10696, 11046, 11460, 13370, 14728, 15780, 16044, 18410, 20055, 22092, 22920, 26740, 27615, 31560, 32088, 36820, 40110, 44184, 50233, 53480, 55230, 73640, 80220, 100466, 110460, 150699, 160440, 200932, 220920, 251165, 301398, 351631, 401864, 502330, 602796, 703262, 753495, 1004660, 1054893, 1205592, 1406524, 1506990, 1758155, 2009320, 2109786, 2813048, 3013980, 3516310, 4219572, 5274465, 6027960, 7032620, 8439144, 10548930, 14065240, 21097860, 42195720]

約数ペア:

[(1, 42195720), (2, 21097860), (3, 14065240), (4, 10548930), (5, 8439144), (6, 7032620), (7, 6027960), (8, 5274465), (10, 4219572), (12, 3516310), (14, 3013980), (15, 2813048), (20, 2109786), (21, 2009320), (24, 1758155), (28, 1506990), (30, 1406524), (35, 1205592), (40, 1054893), (42, 1004660), (56, 753495), (60, 703262), (70, 602796), (84, 502330), (105, 401864), (120, 351631), (140, 301398), (168, 251165), (191, 220920), (210, 200932), (263, 160440), (280, 150699), (382, 110460), (420, 100466), (526, 80220), (573, 73640), (764, 55230), (789, 53480), (840, 50233), (955, 44184), (1052, 40110), (1146, 36820), (1315, 32088), (1337, 31560), (1528, 27615), (1578, 26740), (1841, 22920), (1910, 22092), (2104, 20055), (2292, 18410), (2630, 16044), (2674, 15780), (2865, 14728), (3156, 13370), (3682, 11460), (3820, 11046), (3945, 10696), (4011, 10520), (4584, 9205), (5260, 8022), (5348, 7890), (5523, 7640), (5730, 7364), (6312, 6685)]