1291286640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{768623}}^1$

素因数の和:768646

約数の個数: 80

約数和(自身を含む): 4574850048

約数和(自身を除く): 3283563408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 768623, 1537246, 2305869, 3074492, 3843115, 4611738, 5380361, 6148984, 7686230, 9223476, 10760722, 11529345, 12297968, 15372460, 16141083, 18446952, 21521444, 23058690, 26901805, 30744920, 32282166, 36893904, 43042888, 46117380, 53803610, 61489840, 64564332, 80705415, 86085776, 92234760, 107607220, 129128664, 161410830, 184469520, 215214440, 258257328, 322821660, 430428880, 645643320, 1291286640]

約数ペア:

[(1, 1291286640), (2, 645643320), (3, 430428880), (4, 322821660), (5, 258257328), (6, 215214440), (7, 184469520), (8, 161410830), (10, 129128664), (12, 107607220), (14, 92234760), (15, 86085776), (16, 80705415), (20, 64564332), (21, 61489840), (24, 53803610), (28, 46117380), (30, 43042888), (35, 36893904), (40, 32282166), (42, 30744920), (48, 26901805), (56, 23058690), (60, 21521444), (70, 18446952), (80, 16141083), (84, 15372460), (105, 12297968), (112, 11529345), (120, 10760722), (140, 9223476), (168, 7686230), (210, 6148984), (240, 5380361), (280, 4611738), (336, 3843115), (420, 3074492), (560, 2305869), (840, 1537246), (1680, 768623)]