638732520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3767}}^1$

素因数の和:3944

約数の個数: 128

約数和(自身を含む): 2143238400

約数和(自身を除く): 1504505880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 157, 180, 216, 270, 314, 360, 471, 540, 628, 785, 942, 1080, 1256, 1413, 1570, 1884, 2355, 2826, 3140, 3767, 3768, 4239, 4710, 5652, 6280, 7065, 7534, 8478, 9420, 11301, 11304, 14130, 15068, 16956, 18835, 18840, 21195, 22602, 28260, 30136, 33903, 33912, 37670, 42390, 45204, 56505, 56520, 67806, 75340, 84780, 90408, 101709, 113010, 135612, 150680, 169515, 169560, 203418, 226020, 271224, 339030, 406836, 452040, 508545, 591419, 678060, 813672, 1017090, 1182838, 1356120, 1774257, 2034180, 2365676, 2957095, 3548514, 4068360, 4731352, 5322771, 5914190, 7097028, 8871285, 10645542, 11828380, 14194056, 15968313, 17742570, 21291084, 23656760, 26613855, 31936626, 35485140, 42582168, 53227710, 63873252, 70970280, 79841565, 106455420, 127746504, 159683130, 212910840, 319366260, 638732520]

約数ペア:

[(1, 638732520), (2, 319366260), (3, 212910840), (4, 159683130), (5, 127746504), (6, 106455420), (8, 79841565), (9, 70970280), (10, 63873252), (12, 53227710), (15, 42582168), (18, 35485140), (20, 31936626), (24, 26613855), (27, 23656760), (30, 21291084), (36, 17742570), (40, 15968313), (45, 14194056), (54, 11828380), (60, 10645542), (72, 8871285), (90, 7097028), (108, 5914190), (120, 5322771), (135, 4731352), (157, 4068360), (180, 3548514), (216, 2957095), (270, 2365676), (314, 2034180), (360, 1774257), (471, 1356120), (540, 1182838), (628, 1017090), (785, 813672), (942, 678060), (1080, 591419), (1256, 508545), (1413, 452040), (1570, 406836), (1884, 339030), (2355, 271224), (2826, 226020), (3140, 203418), (3767, 169560), (3768, 169515), (4239, 150680), (4710, 135612), (5652, 113010), (6280, 101709), (7065, 90408), (7534, 84780), (8478, 75340), (9420, 67806), (11301, 56520), (11304, 56505), (14130, 45204), (15068, 42390), (16956, 37670), (18835, 33912), (18840, 33903), (21195, 30136), (22602, 28260)]